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 man and woman are kissing in flowers. Sentence 2: Two people are kissing.
C

Sentence 1: Two girls sit back to back. Sentence 2: two girls are sitting together.
C

Sentence 1: A woman dressed in black appears to wave as her purse swings from her right arm. Sentence 2: The woman waves to get her friends attention.

N