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 having a barbecue at a park. Sentence 2: The barbecue is to celebrate winning the soccer tournament.
Example Output: Some people are having a barbecue.

Example Input: Sentence 1: Punk rock teenager walks with a mean look on his face. Sentence 2: The angry teenager had a mean look on his face.
Example Output: The teenager walked with a mean look on his face.

Example Input: Sentence 1: A hockey player from the St Louis Jets is skating on ice. Sentence 2: The hockey player skates and scores the winning goal.
Example Output:
The hockey player is skating.