Anchor: A man is sitting on a bench while he is working.
Entailed: A man is on a bench.
Contradiction: A man is underneath a car working.
Contradiction: I think that the risk management when it comes to our work is enough and satisfactory. 
Contradiction: The doctor thought that multiple outcomes were possible.
Contradiction: A girl with a bag is sitting on a bench.
Contradiction: A dog jumps over water.