instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with 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 lady holding a purse stands in an airport while a security guard watches behind her. Sentence 2: The lady was at home sleeping.
answer:
The female is being looked at by another human.

question:
Sentence 1: Two dogs playing keep-away with red toy on blue string. Sentence 2: Two cats are playing with a toy.
answer:
Two dogs are playing with a toy.

question:
Sentence 1: A group of people watch a street concert taking place on a stage with large "Zune" advertisements. Sentence 2: The people are skipping rocks at the beach.
answer:
The people are outside.