premise: Four youth and an elder man and woman playing in water just up to the bottom of man's swim trunks. hypothesis: A group of kids slide down a water slide as their parents watch them.
contradiction: Playing in water does not constitute to slide down a water slide.|contradiction: FOUR YOUTH AND N ELDER MAN AND WOMAN SO NOT SYMBOLISE A GROUP OF KIDS.|contradiction: An elder man and woman cannot be considered part of a group of kids. The water would not reach up to the bottom of man's swim trunks if he is only watching them.