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 military jeep parked in an urban environment with armed solders inside. Sentence 2: A military vehicle with soldiers in Afghanistan.
Example Output: A military vehicle with soldiers.

Example Input: Sentence 1: A white dog walking beside a bicycler. Sentence 2: A puppy is running
Example Output: A dog walking beside a person on a bike.

Example Input: Sentence 1: A young boy and girl play in a flooded street in front of a green house. Sentence 2: A boy and girl play after the rains stops.
Example Output:
A boy and girl play in a flooded street.