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.

[EX Q]: Sentence 1: A very fit man is leaning against a tree. Sentence 2: A man is waiting for a bus in the shade of a tree.
[EX A]: The man is outside.

[EX Q]: Sentence 1: A door in a tall concrete wall Sentence 2: A door in a wall of at stone building.
[EX A]: A door in a wall.

[EX Q]: Sentence 1: Three boys diving into a lake. Sentence 2: Three boys diving happily
[EX A]:
Three boys diving