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 person on a pulley is dragged across water. Sentence 2: A person using a pulley lost control.
Example Output: A person on a pulley is dragged.

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: Dog catching red ball in a field. Sentence 2: There are two dogs in a field playing with a red ball.
Example Output:
There is a dog in a field catching a red ball.