Anchor: A man wearing a helmet has his hand up in the air and is shouting in a similar way the crowd behind his doing.
Entailed: A man in a helmet is shouting.
Contradiction: The man is running a race.
Contradiction: A man is not wearing a helmet.
Contradiction: two men sit contemplatively
Contradiction: Some people are observing a moment of silence.
Contradiction: A man is not wearing a helmet