Anchor: oh i seen that movie
Entailed: I've seen that movie.
Contradiction: I haven't seen that movie.
Contradiction: You have no one to convince. 
Contradiction: You may also organize an archaeological expedition through the Los Angeles based Israel Archaeological Society (toll-free in the U.S.A.: 800-ISRAEL-8).
Contradiction: I am not sure why I lost those jobs.
Contradiction: The stadium is full.