Anchor: A trombonist is at the front of the stage during a concert.
Entailed: A trombonist is performing at a concert.
Contradiction: A saxophone player is at the front of the stage.
Contradiction: A young girl is in the middle of a sale of goats
Contradiction: There are men and women at a parade.
Contradiction: Jon shook his head no.
Contradiction: They said hello.