TASK DEFINITION: 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.
PROBLEM: Sentence 1: A crosscountry biker with helmet and sports gears (green and black) is jumping in the air with his bike that has dirty tires. Sentence 2: A biker performs a stunt.

SOLUTION: Two people talk in private.

PROBLEM: Sentence 1: Four military men, two injured with bandages showing, whose fatigues read ISAF are pictured. Sentence 2: Two men are bandaged up.

SOLUTION: Four uninjured military men are playing cards.

PROBLEM: Sentence 1: A woman is playing with a puppet in front of some children. Sentence 2: a young woman is playing with a puppet

SOLUTION:
an older woman is playing with a puppet