Task: Coherence Classification
Input (English): Sentence1: Morris buys himself a skateboard to stay active. Sentence2: He brings the skateboard to the park for a day of skateboarding. Sentence3: He notices that he is much older than the other people there. Sentence4: However, they welcome him, and they don't seem to mind his age. 
 Sentence5: The younger skaters taught Morris a lot of tricks.
Output (English): Yes