Meaning: To 'commit' means to dedicate oneself to a particular course of action or activity.

Wrong options:

• kilograms: 'Kilograms' is a noun referring to a unit of weight, which does not fit the context of an action related to exercise.
• enjoyable: 'Enjoyable' is an adjective that describes something that provides pleasure, but it does not fit grammatically as it cannot follow 'can' in this context.
• body: 'Body' is a noun that refers to the physical structure of a person, which does not fit as an action word in this sentence.
• marathon: 'Marathon' is a noun that refers to a long-distance running event, which does not fit as an action word in this context.
• few: 'Few' is an adjective that describes a small number, which does not fit as an action word in this context.
• their: 'Their' is a possessive pronoun that does not fit grammatically as it does not indicate an action.

Correct answer: marathon

Explanation: The term 'marathon' is a noun that fits grammatically as it serves as the object of the verb 'running.' It is contextually appropriate as it represents a specific and challenging goal that can motivate individuals to exercise regularly.

Meaning: A 'marathon' is a long-distance running race, typically covering 26.2 miles (42.195 kilometers).

Wrong options:

• kilograms: 'Kilograms' is a noun that refers to a unit of weight, which does not fit as a goal related to running.
• commit: 'Commit' is a verb that does not fit as it does not represent a type of goal but rather an action.
• body: 'Body' is a noun that refers to the physical structure of a person, which does not fit as a goal in this context.
• enjoyable: 'Enjoyable' is an adjective that describes something that provides pleasure, which does not fit as a specific goal.
• few: 'Few' is an adjective that describes a small number, which does not fit as a goal related to running.
• their: 'Their' is a possessive pronoun that does not fit as a goal.

Correct answer: body

Explanation: The word 'body' is a noun that fits grammatically as it serves as the object of the verb 'listen to.' It is contextually relevant as it refers to the physical self that requires care and attention during exercise.

Meaning: 'Body' refers to the physical structure of a person, including muscles and organs.

Wrong options:

• kilograms: 'Kilograms' is a noun that refers to a unit of weight, which does not fit as something to listen to.
• commit: 'Commit' is a verb that does not fit as it does not refer to a physical entity that one can listen to.
• enjoyable: 'Enjoyable' is an adjective that describes something that provides pleasure, which does not fit as a noun in this context.
• marathon: 'Marathon' is a noun that refers to a long-distance running event, which does not fit as something to listen to.
• few: 'Few' is an adjective that describes a small number, which does not fit as something to listen to.
• their: 'Their' is a possessive pronoun that does not fit as a noun.

Correct answer: few

Explanation: The word 'few' is an adjective that fits grammatically as it describes the noun 'part.' It is contextually appropriate as it indicates a limited number of aspects that contribute to a healthy lifestyle.

Meaning: 'Few' refers to a small number of something, suggesting that exercise is one of several important components of a healthy lifestyle.

Wrong options:

• kilograms: 'Kilograms' is a noun that refers to a unit of weight, which does not fit as a descriptor for 'part.'
• commit: 'Commit' is a verb that does not fit as it does not describe a quantity or number related to lifestyle components.
• body: 'Body' is a noun that refers to the physical structure of a person, which does not fit as a descriptor for 'part.'
• marathon: 'Marathon' is a noun that refers to a long-distance running event, which does not fit as a descriptor for 'part.'
• enjoyable: 'Enjoyable' is an adjective that describes something that provides pleasure, but it does not fit as a descriptor for 'part.'
• their: 'Their' is a possessive pronoun that does not fit as a descriptor for 'part.'