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 runner winces as he runs. Sentence 2: His leg fell off while he was running.
C

Sentence 1: A young Asian girl smiles while swinging back and forth on a swing set. Sentence 2: The child is crying in the park.
C

Sentence 1: Two children peer inside a display case. Sentence 2: two children are looking in a display case.

C