Anchor: Two paddlers in a red canoe approach a couple of large rocks in the rushing river with conifers in the background.
Entailed: Paddlers reach a configuration of giant boulders while in the river.
Contradiction: Boaters are passing by paddlers.
Contradiction: I know what you're talking about. 
Contradiction: Excuse me.
Contradiction: A woman wearing a white tank top is riding a red bike along a jump.
Contradiction: A boy is playing with sparklers.