premise: A man is reading a book while sitting on a bench outside of a bookstore. hypothesis: A man is playing video games on his phone.
contradiction: The actions are different for the subject in each sentence; in sentence one the action of the man is reading a book, in sentence 2 the action of the subject is playing video games.|contradiction: The man can't be reading a book and playing video games at the same time.|contradiction: Reading a book is different than playing video games.