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 person in a red shirt is riding a bicycle down a road. Sentence 2: A person riding a bike.
C

Sentence 1: A man in a green shirt with a box cutter surrounded by vegetable plants. Sentence 2: A man surrounded by vegetable plants.
C

Sentence 1: Several African children looking toward the blackboard in school, while two look back toward the camera. Sentence 2: Some children looking toward the chalk board while some look at the camera.

C