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.

A small girl in a green shirt plays on a swing. <sep> old lady sitting on a chair.
C

A boy rides his skateboard at the park. <sep> A sad boy rides his skateboard at the park.
N

A man wearing only a hat, boots, and underwear is walking the sidewalk with a guitar strapped around his shoulder. <sep> A man wearing only a hat, boots, and underwear is licking the sidewalk

C