Anchor: She brought it down with her every morning, and took it up every night."
Entailed: She was bringing the it because it was special to her.
Contradiction: She left it upstairs when she came down.
Contradiction: No part of the army oversees levees, just dams. 
Contradiction: It underwent a decade and a half of renovations before it was reopened. 
Contradiction: A man is learning how to swim.
Contradiction: A worker is driving a green machine.