Teacher:Determine whether the two given sentences clearly agree with each other (entailment), disagree with each other (contradiction), or if this cannot be determined (neutral). Answer must be the letters E, C, and N, respectively.
Teacher: Now, understand the problem? Solve this instance: A man wearing a red vest is walking past a black and green fence. <sep> The man wearing the vest is sitting on the sofa.
Student:
C