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 brown dog is running along a grassy stretch divided by strings. Sentence 2: A black cat is running along a grassy stretch divided by strings.
C

Sentence 1: Three firefighters are trying to extinguish the flames from a burning car. Sentence 2: The fire is made of chocolate
C

Sentence 1: Two people on a bridge in a park jumping with their arms in the air. Sentence 2: people are celebrating

N