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 Q]: Sentence 1: The skateboarder wearing a black t-shirt and black pants is in front of the red brick building. Sentence 2: The skateboarder is in front a building.
[EX A]: The skateboarder is inside the building knocking on the door.

[EX Q]: Sentence 1: Many people on a street while vendors sell items. Sentence 2: The vendor is selling items on a street.
[EX A]: The vendor is inside a museum.

[EX Q]: Sentence 1: Two men are aboard a speed boat sitting calmly in the water. Sentence 2: Men aboard a speed boat.
[EX A]:
Men aboard a big bus.