Creatively image a question and justification for this answer: it is not possible to tell
The question is: Premise: "Four singers perform on stage with backup dancers."
Hypothesis: "A music group is on stage with six back up dancers."
Do we know that the hypothesis entailed by the premise?
Step-by-step reasoning process: There may be more backup dancers on stage. The four singers don't have to be part of a music group.