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.

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
C

Sentence 1: A blond girl in a gray tank top is serving a drink to a guy in a white shirt who is sitting down. Sentence 2: The blond girl in the tank top is serving a man.
C

Sentence 1: A brown butterfly perched on a girl's hand Sentence 2: a buttefly perches

C