Anchor: A man riding on a boogie board on the beach.
Entailed: The man is boogie boarding.
Contradiction: The man is skateboarding.
Contradiction: The baby is screaming.
Contradiction: I took up a loan for my college tuition fee. 
Contradiction: The rules for the facilities currently operating in the 1850 to 1990 MHz (2GHz) band will not be any different after the rule. 
Contradiction: A skier is in pain as he climbs a hill.