Anchor: Without it, he'd be dehydrated before he could get a safe distance away.
Entailed: Even before he get's away he would have a thirst so great.
Contradiction: He did not need to be given something to avoid dehydration.
Contradiction: The pilot came into contact with the the pump.
Contradiction: If Clinton tried to pursue the issue, he would risk many legislative issues. 
Contradiction: A woman walks along the canal.
Contradiction: Some people have criticized the Bracero program as exploitative.