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.

[EX Q]: Sentence 1: Two young fair girls are smiling a posing together while they ride in a boat wearing floatation vests. Sentence 2: The twin girls celebrate their birthday aboard the cruise ship.
[EX A]: Two girls smile on a boat.

[EX Q]: Sentence 1: A skateboarder doing a jump on train tracks. Sentence 2: A boy jumps his skateboard in front of an oncoming train.
[EX A]: A skateboarder jumping.

[EX Q]: Sentence 1: A group of friends hanging out in a bar. Sentence 2: people in a bar celebrate a birthday
[EX A]:
people in a bar