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 white women, one wearing white and the other black, are laughing and wearing blue pins. Sentence 2: Two ladies,one in white and other in black are wearing blue pins and giggling.
C

Sentence 1: A man in a gray t-shirt and a woman in shorts and a black t-shirt stand in front of a monument. Sentence 2: People are on a field trip.
N

Sentence 1: A large number of children's bikes are on display on a sidewalk as several adults view them. Sentence 2: The bikes were on the sidewalk.
C