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 appears to be calling someone on his phone while a child is standing behind him. Sentence 2: A child is wearing blue jeans.
Example Output: A person is using a phone.

Example Input: Sentence 1: A group of ladies is walking by a blue wall. Sentence 2: The friends are walking.
Example Output: The ladies are walking.

Example Input: Sentence 1: A man riding a blue motorcycle jumps over a ramp. Sentence 2: A man is in a motorcycle race and jumps a ramp.
Example Output:
A man jumps over a ramp on his motorcycle.

