F, G, H and J are university classmates  They all took part in the postgraduate examination, but in the end, only one person was admitted to the postgraduate examination  The other three became composers, high school teachers and civil servants  During the review of the graduate exam, one day they sat together to predict everyone's future life  F said: G will definitely not become a composer; G: H will definitely be admitted to graduate school; H: J will not become a civil servant; J predicts that he will marry a foreign wife in the future
But only one of their predictions was correct, and the person who was correct was admitted to graduate school
J did not marry a foreigner