<|system|>
Is this a run-on sentence?
After playing an hour-long set for nearly one hundred cheering fans, Hunter's band returned to the stage and delivered a stellar encore performance.
A: no
B: yes</s>.
<|user|>
Can you answer based on context?
<|assistant|>
This is not a run-on sentence. It is not formed from two sentences that have been run together without appropriate punctuation.
After playing an hour-long set for nearly one hundred cheering fans, Hunter's band returned to the stage and delivered a stellar encore performance.