Anchor: Some people pull on a rope while many others look on.
Entailed: People are exerting effort in their task
Contradiction: The people are having a picnic
Contradiction: They had no idea we were looking for Jane Finn.  
Contradiction: During an agility test a furry dog jumps a bar.
Contradiction: The speaker's forehead was as smooth as an inflated balloon.
Contradiction: I don't find the disastrous event to be a compelling explanation.