Anchor: A ground of teenagers sit around a large drum with mallets as a woman stands and watches while she is on a phone.
Entailed: a group of teenagers are sitting
Contradiction: There are no women present in this town
Contradiction: Harry Truman thought Congress accomplished a lot
Contradiction: Don't I want to hear my union's issues where they have some expertise? 
Contradiction: A dog humps a toy in the snow.
Contradiction: There are people in the park.