Some young boys ride bikes in the street.
There are girls and boys
Is the premise "Some young boys ride bikes in the street." true if "There are girls and boys"?

Options: 

 - yes

 - it is not possible to tell

 - no
no
Is the premise "Some young boys ride bikes in the street." true if "There are girls and boys"?

Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant