Anchor: Three people climbing rocks.
Entailed: The people are rock climbers.
Contradiction: The children are playing tag.
Contradiction: Thankfully the earthquake in Mexico City was no big deal and no buildings were destroyed.
Contradiction: Tuppence pointed out, "You have not really asked me to marry you."
Contradiction: The three youths are attending a meeting  in the class room.
Contradiction: there is one man in this picture