Anchor: A man is sitting in the middle of a room in an art gallery, and is putting some frames together, preparing a piece of art for hanging.
Entailed: The man is indoors.
Contradiction: The man is on the beach playing volleyball on Saturn.
Contradiction: a man is swimming in the ocean
Contradiction: An unknown man is sleeping in an art gallery.
Contradiction: Woman in art gallery
Contradiction: The man is standing in the gymnasium.