Anchor: A man wearing a tan sweater is sitting on the floor playing his violin, using a chair as a music stand.
Entailed: A human sitting.
Contradiction: Nobody is sitting.
Contradiction: A woman climbing.
Contradiction: There is a power structure related to drug dealing.
Contradiction: Mister Kirby, did you know that Amos Lutterfield has never brought me anything? 
Contradiction: The boy is near rocks.