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: A crosscountry biker with helmet and sports gears (green and black) is jumping in the air with his bike that has dirty tires. Sentence 2: A biker performs a stunt.
Example Output: Two people talk in private.

Example Input: Sentence 1: little boy in blue shorts holding a window screen Sentence 2: A male child is holding something.
Example Output: The girl is dancing in a tutu.

Example Input: Sentence 1: Two women jogging down a sidewalk in front of a person leaning on a bench in front of a lake. with another person Sentence 2: Two females jog on a sidewalk.
Example Output:
Two women are drowning in the lake, and nobody is around to see it.