instruction:
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.
question:
Sentence 1: A lecture for a women's group. Sentence 2: A lecture for a women's group about sexual abuse.
answer:
A speach for a women's group.


question:
Sentence 1: A man wearing headphones is checking the screen of a handheld device while on the street. Sentence 2: Sue was looking at her ipad.
answer:
Bob was wearing his headphones and checking his ipod while walking.


question:
Sentence 1: A boy rides down a slide into a small backyard pool. Sentence 2: A boy goes down a slide on his stomach.
answer:

The men are changing the stone.