premise: A woman in a red long-sleeved shirt and blue jeans stands at the lectern speaking at or about GLAM U WIKI. hypothesis: A woman is doing a stage dive into a crowd.
contradiction: A woman who stands cannot dive.|contradiction: The woman either stands at the lectern speaking or she is doing a stage dive into a crowd.|contradiction: A woman can't be at a lectern speaking and doing a stage dive at the same time.