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.

[Q]: A boy rides his skateboard at the park. <sep> A sad boy rides his skateboard at the park.
[A]: N


[Q]: A boy in an orange 'Spring Hill' ball team uniform, pitching the ball. <sep> A boy plays pitcher for the first time.
[A]: N


[Q]: People are on an escalator waiting to get to their destination while looking outside of the glass that makes up the wall. <sep> People are taking the elevator.
[A]:
C