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 group of people riding on a crowded bus. Sentence 2: The bus was full.
Example Output: People were on the bus.

Example Input: Sentence 1: Boy with dark skin, standing on his head with legs spread, at the end of a floating wooden boat. Sentence 2: A boy play on a raft.
Example Output: The boy is on a boat.

Example Input: Sentence 1: Kids play on a skateboarding ramp in front of some trees. Sentence 2: Kids are playing with skateboards.
Example Output:
Kids are playing and there are some trees behind them.