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: Man sitting on a wire while crowd on the street looks. Sentence 2: There is a crowd on the street.
Example Output: The street is empty.

Example Input: Sentence 1: Two men, one playing a purple guitar and the other playing an accordion, sitting on stone steps. Sentence 2: The men are playing instruments.
Example Output: The friends are baking some pastries.

Example Input: Sentence 1: Young African children are attending class in a one room schoolhouse. Sentence 2: A group of children are learning.
Example Output:
A group of white children play outdoors.