TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to choose whether the two sentences clearly agree (entailment)/disagree (contradiction) with each other, or if this cannot be determined (neutral). Your answer must be in the form of the letters E, C, and N respectively.
PROBLEM: Sentence 1: A guy is sitting by a tree watching a girl sing with a blue bucket in front of her. Sentence 2: two dogs are singing by a tree

SOLUTION: C

PROBLEM: Sentence 1: A man wearing a green shirt on the runway fuels up a jetliner. Sentence 2: The man is preparing to ride an airplane.

SOLUTION: N

PROBLEM: Sentence 1: A boy in a blue shirt standing by a lake shore. Sentence 2: The boy is looking at the lake by the shore.

SOLUTION:
C