premise: Six people are riding camels and being led in a straight line across a gently rising sandy slope with mountains in the background, by a man walking and holding the tether of the lead camel. hypothesis: Many people are lying in the sun at the park.
contradiction: The people can't be riding Camels while lying in the sun.|contradiction: You cannot ride camels while lying in the sun.  In addition, the location of at the park and at a gently rising sandy slope is contradictory.|contradiction: one cannot be riding and lying simultaneously.