Anchor: Two men trying to scrape the cement from the floor to level it.
Entailed: Two men scraping the cement from the floor.
Contradiction: Two men on break eating lunch.
Contradiction: A couple get in their car and speed away.
Contradiction: A boy is playing with a rocket.
Contradiction: I do not really care about the world around me. 
Contradiction: A pair of kids are out on some sand.