In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.

Example Input: Sentence 1: A man in shorts skateboards down the street. Sentence 2: The man is not wearing a shirt.
Example Output: The man is outside.

Example Input: Sentence 1: A young man with no shirt on is wearing black pants and sneakers is jumping over a blue skateboard. Sentence 2: This young man is attempting the most difficult skateboarding trick known to man.
Example Output: a man in black pants jumps over his skateboard

Example Input: Sentence 1: Riders wait to board a transportation van in Vietnam. Sentence 2: Boat riders wait to board a transportation van in Vietnam.
Example Output:
Riders wait to board a transportation van in Asia.