In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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: Four men are rollerskating in a line, with the last three holding onto the hips of the man ahead of them. Sentence 2: Four men are forming a congo line.
Example Output: A group of guys carrying surfboards.

Example Input: Sentence 1: Two people posing for a picture. Sentence 2: Two people are posing.
Example Output: Two people are taking pictures with a camera.

Example Input: Sentence 1: A brown-haired woman in a beige jacket writes on a piece of paper on a pink table. Sentence 2: A lady is writing a letter on a piece of paper.
Example Output:
A women wearing a yellow jacket is writing on the wall.