Performers sing together on stage
They are singing a capella.
Is the premise "Performers sing together on stage" true if "They are singing a capella."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Is the premise "Performers sing together on stage" true if "They are singing a capella."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant