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?
Αυτό σημαίνει, πως έστω ότι γνωρίζεις κάποιον, και σας έλεγαν πως ο πατέρας του έχει ύψος 1,80. Τι πραγματικά ξέρεις για το ύψος του;