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  1. Fact 1: Mary said, "Ann and I both have cats."
    Fact 2: Ann said, "I don't have a cat."
    Fact 3: Mary always tells the truth, but Ann sometimes lies.
    If the first three statements are facts, which of the following statements must also be a fact?
    I: Ann has a cat.
    II: Mary has a cat.
    III: Ann is lying.

    2. A.
    I only
    B.
    II only
    C.
    I and II only
    D.
    All the statements are facts.

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    Answer : Option D

    Explanation :

    If Mary always tells the truth, then both Ann and Mary have cats (statements I and II), and Ann is lying (statement III). So all the statements are facts.

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