Anchor: Girls, who are all dressed in dresses, dance in a dark room.
Entailed: There are some girls dancing in the dark.
Contradiction: Some girls are walking down the street.
Contradiction: You probably don't even know where or what Lake Ontario is.
Contradiction: Most of the top hotels have upscale malls. 
Contradiction: A man running in a track event.
Contradiction: A woman is waiting for something.