Anchor: Three people are standing near a lake.
Entailed: The people are standing by the water.
Contradiction: Three people are standing in a college bookstore.
Contradiction: Biking is an alternative that is faster than the metro for longer rides across town. 
Contradiction: This is how it is now, she observed.
Contradiction: The man is wearing a green shirt and standing in a group.
Contradiction: There were famous people living in Canongate's churchyard.