instruction:
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.
question:
Sentence 1: A man wearing no shirt climbs a steep cliff. Sentence 2: A shirtless man was climbing up the face of the cliff.
answer:
The lady was hiking the mountain.


question:
Sentence 1: a biker enjoys a coffee. Sentence 2: A person is having a beverage.
answer:
A biker is drinking beer and playing pool with his friends.


question:
Sentence 1: Group of people playing Nintendo DS. Sentence 2: People are playing a video game.
answer:

Two people are playing tennis outside.