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Option 1: "These were introduced by NLS for visually impaired or physically disabled people."
Explanation: The text clearly states that NLS provides braille and talking books specifically for Americans with impaired vision or physical disabilities. This aligns directly with the main idea of the text, which emphasizes the role of NLS in offering accessible reading materials to those in need.
Option 2: "NLS was founded in 1931 to enrich the life of patrons."
Explanation: While it is true that NLS was established in 1931 and aims to enrich the lives of its patrons, this option does not address the specific focus on braille and audiobooks, which is the main point of the question. Therefore, it lacks the necessary context related to the question.
Option 3: "National Library Service for the Blind and Physically Handicapped is a part of the Library of Congress."
Explanation: This statement is accurate but does not answer the question regarding braille and audiobooks. It provides a factual detail about NLS's affiliation but fails to connect to the main theme of the text, which is about the services offered to visually impaired individuals.
Option 4: "It was not needed in NLS and was therefore replaced by traditional books."
Explanation: This option contradicts the information in the text. The text emphasizes the importance of braille and audiobooks for those who cannot read regular print, indicating that these services are essential rather than unnecessary. Thus, this statement is false.
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