Anchor: Ah! He tried the roll top tentatively. 
Entailed: He did a first attempt that might be changed in methodology for using the roll top.
Contradiction: He left the roll top there untouched.
Contradiction: A woman watches a documentary on the Arctic.
Contradiction: It does have a similar taste. 
Contradiction: A child is jumping off the diving board into a pool.
Contradiction: The paid were engaging in intimacy on the moving stairway