What that means is if you met somebody, and you were told, "Oh his father is six feet tall," how much would you know about his height?
این بدین معناست که اگر شما با شخصی‌ آشنا شوید، و به شما گفته شود که قد پدر او ۶ فوت است، شما چه میزان اطلاعات در مورد قد خود شخص خواهید داشت؟