Anchor: An older fisherman is on a boat staring at a netted bag of clams.
Entailed: A fisherman is on a boat.
Contradiction: A fisherman was on the dock.
Contradiction: A woman who is wearing a vest is on a subway.
Contradiction: the woman was at the carnival
Contradiction: The soccer game was canceled and all the players stayed home and vowed not to play soccer.
Contradiction: two opposing team playing hockey