TASK DEFINITION: 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.
PROBLEM: Sentence 1: Military personnel looking over a guard rail. Sentence 2: Authorities from the army inspecting something near the road.

SOLUTION: Officials examining the scene.

PROBLEM: Sentence 1: two men standing in the snow, one looking at the camera, the other reading a paper by a sign. Sentence 2: Friends playing in the snow

SOLUTION: One man standing in the snow is looking at the camera while another is reading a paper.

PROBLEM: Sentence 1: Arborist tries to climb tree. Sentence 2: The Arborist climbs the tree to get a sample for his work.

SOLUTION:
Someone is climbing trees