Anchor: A man with a striped shirt is on stage next to another person with a guitar.
Entailed: A man wearing stripee shirt is performing in the stage next to person with guitar
Contradiction: some men standing in a park
Contradiction: The boy is licking a fork.
Contradiction: We were making out alright, but they were not. 
Contradiction: The preamble is the piano introduction of the Star Spangle Banner.
Contradiction: Sixteen conference papers were written by leaders about the topics discussed at the conference.