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.

Ex Input:
Sentence 1: A man in his office, is staring intently at the computer screen, while holding a red pen in his left hand. Sentence 2: A man in his office, is staring intently at the computer screen

Ex Output:
A man in his office, is not staring intently at the computer screen


Ex Input:
Sentence 1: A man is standing on a ladder repainting a wall with the color blue. Sentence 2: There is a man painting

Ex Output:
There is a man watching others paint


Ex Input:
Sentence 1: People constructing a house's bamboo frame. Sentence 2: Some people are constructing a frame

Ex Output:

A panda is chewing on some bamboo