Anchor: A smiling boy slides down a rope while hanging on.
Entailed: The smiling boy uses both hands to hold onto the rope.
Contradiction: The smiling boy sits on the floor while other people play.
Contradiction: A man has a backpack with a kangaroo on it
Contradiction: It's possible Dr Hall might know something of value.
Contradiction: People walking past a pile of bricks.
Contradiction: A man collects rocks.