premise: A person is hanging up pictures of women with a few onlookers watching surrounded by bikes. hypothesis: A creepy guy is putting his favorite photos of the woman he's stalking up in his shrine to her.
contradiction: Refers to a singular person hanging pics of women, with onlookers watching, while surrounded by bikes.  In the second, it's a creepy male instead, that is placing favorite pics of the singular woman he's stalking, in his shrine to her.