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 white dog with a black collar runs in the snow. Sentence 2: A dog is playing in a snow bank.
answer:
There is a dog running outside.


question:
Sentence 1: A group of children sit on the floor against a brick wall while a woman observes them. Sentence 2: The woman is the kids' teacher.
answer:
There are kids being watched by a person.


question:
Sentence 1: Girl is standing out on the train tracks. Sentence 2: girls are waiting for transportaion
answer:

girls are standing