Anchor: To estimate changes in crop yields, we used biological exposure-response information derived from controlled experiments conducted by the NCLAN (NCLAN, 1996).
Entailed: Experiments conducted by the NCLAN yielded information to estimate the changes in crop-yields.
Contradiction: The biological exposure-response experiment results were never used to estimate crop yield changes. 
Contradiction: A man is standing outside a restaurant smoking.
Contradiction: A man wearing blue watching something.
Contradiction: The child threw his fishing pole.
Contradiction: The Mitsubishi Mirage I bought a little while ago almost never has problems.