premise1: The kayaker braces himself as he goes down the river.
premise2: A man rows a blue kayak through white water rapids.
premise3: A man in a blue canoe battling through rough waves
premise4: A man kayaks through rough water.
premise: The kayaker braces himself as he goes down the river. A man rows a blue kayak through white water rapids. A man in a blue canoe battling through rough waves A man kayaks through rough water.
hypothesis: Man paddling.