In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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 dog jumps to catch a ball in a grassy field. Sentence 2: A dog is sleeping in a field.
Example Output: A dog is getting some exercise in a field.

Example Input: Sentence 1: A burning trailer house in background, two uniformed firefighters raised up in air on ladder, and three uniformed firefighters on ground with hose spraying water at the fire. Sentence 2: The firefighters sift through the burned out house.
Example Output: Firefighters are on the scene of a house fire.

Example Input: Sentence 1: People sitting in front of other people. Sentence 2: People are doing jumping jacks in front of other people.
Example Output:
People are sitting down.