premise: A bald man in a gray button-up shirt and a black blazer is glancing down from his glasses while writing something in a book which appears to be a book signing as he has similar books stacked beside him. hypothesis: A man is playing basketball.
contradiction: He is wearing a gray button-up shirt and a black blazer, which is normally not worn to play basketball. If he is writing something in a book he can not be playing basketball at the same time.