Anchor: exactly i i was astonished to find out that that across the United States in all public schools it is not mandatory for them to take phys ed
Entailed: I was surprised that PE is not required.
Contradiction: PE is a requirement in all grades.
Contradiction: He never considered trying to find out what happened to Tommy. 
Contradiction: The 3 people are outside riding bikes.
Contradiction: The man is learning how to throw a curve ball.
Contradiction: Someone is hanging from their arms.