Anchor: Two young girls are trekking through deep snow, one is wearing a white coat and the other a purple and gray coat.
Entailed: Two young girls walking through snow.
Contradiction: Two old ladies walking on a beach, one is wearing a black bikini and the other is wearing a yellow and pink bikini.
Contradiction: The men are sleeping.
Contradiction: My sister had to have a computer when she went to college.  
Contradiction: The fire works failed to go off.
Contradiction: A snowboarder performs stunts.