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: Two girls sit back to back. Sentence 2: two girls are sitting together.
C

Sentence 1: Two girls in shorts are holding hands at a pool. Sentence 2: Two boys stand side by side at a pool.
C

Sentence 1: A group of people are congregating on a street corner. Sentence 2: A group of people stand together on a street corner.

C