Wouldnt You Know_英语幽默故事

    i accompanied my eight-month-pregnant wife to her monthly checkup . we boarded the hospital's elevator to go to the appropriate floor. the only other passenger was an elderly man who studied intently and then said, "boy."
    without another word, he got off at his floor. i was about to tell my wife how strange i thought he was acting when suddenly i realized she was wearing a t-shirt sporting the "guess?" logo.