Anchor: Caterpillar's share price did take a little hit in 1991, but since 1994 it has risen steadily.
Entailed: Caterpillar's stock price went down in 1991.
Contradiction: Caterpillar's stock price went up  in 1991.
Contradiction: I went to the University of Maryland.
Contradiction: The little boy is sitting outside.
Contradiction: IPM is a tool used by stock traders on Wall Street to evaluate the changing prices of stocks over time.
Contradiction: The 50 m (164 ft) torrent of water falls over three large breaks, forming two substantial pools and a smaller cave system.