premise1: A man is performing an aerial jump on a bicycle in front of a mountain covered with pine trees.
premise2: A person is holding onto a bicycle in the air with his body in flight position.
premise3: A bike rider is doing a stunt on a bicycle over a forest.
premise4: A man is attempting a stunt with a bicycle.
premise: A man is performing an aerial jump on a bicycle in front of a mountain covered with pine trees. A person is holding onto a bicycle in the air with his body in flight position. A bike rider is doing a stunt on a bicycle over a forest. A man is attempting a stunt with a bicycle.
hypothesis: A man doing a trick.