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: Two girls clean the glass windows of an entryway while another woman speaks to them. Sentence 2: Two girls wearing scarves cleaning glass while a woman speaks to them.
answer:
Two girls cleaning glass while a woman speaks to them.


question:
Sentence 1: A parent and child sitting together. Sentence 2: A mother and daughter are having dinner in the dining room.
answer:
Two people are not standing.


question:
Sentence 1: This is a mariachi singer preparing to sing. Sentence 2: A mariachi singer is preparing to sing a lullaby.
answer:

A mariachi singer is preparing to sing.