Concert goers watch as a guitarist performs on stage.
There isn't anyone on stage.
If "Concert goers watch as a guitarist performs on stage.", can we conclude "There isn't anyone on stage."?

Options: 

 - yes

 - it is not possible to tell

 - no
no
If "Concert goers watch as a guitarist performs on stage.", can we conclude "There isn't anyone on stage."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant