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.

Sentence 1: A group of black children are paddling homemade rafts across a body of water. Sentence 2: The children are paddling in a raft after being shipwrecked.
The children are paddling the raft.

Sentence 1: People with numbers on their chests are running in a pack. Sentence 2: Marathon runners end up grouped together after a collision between runners.
People in a race are grouped together.

Sentence 1: There are two young girls in colorful dresses blowing bubbles. Sentence 2: Two little girls are blowing bubbles at a party
Two girls are blowing bubbles