Anchor: A man with headphones on is looking at a computer screen while sitting at a table.
Entailed: A man is sitting.
Contradiction: A man is standing.
Contradiction: a black dog with a white spot is running on the beach.
Contradiction: a black dog jumps in some snow
Contradiction: You need great French because it's impossible to live wihtout it.
Contradiction: A famous musician is playing his guitar