Anchor: Two people in rafting gear standing on a dry, rocky riverbank, pointing at the river.
Entailed: Two people are on a raft.
Contradiction: Two people are drowning in the river.
Contradiction: The planning for the merger was swift and easy. 
Contradiction: Salt Lake City was booming in the early 19th century.
Contradiction: The man is standing in warm weather.
Contradiction: Two people fish outdoors