What was the question for this implicit rationale, and corresponding answer?
The DJ mixes in with the band's music and the crowd goes wild.
 The answer: it is not possible to tell
The question: Given the sentence "A band plays music on stage under blue-green lights and with a red background." can we conclude that "A white-shirted dj standing in the middle of the stage."?
Options:
- yes
- it is not possible to tell
- no