One of the buses is marked "Linea Express" while the other is marked "Metropolitan Transit System". 
The buses are fast.
Is the premise "One of the buses is marked "Linea Express" while the other is marked "Metropolitan Transit System". " true if "The buses are fast."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Is the premise "One of the buses is marked "Linea Express" while the other is marked "Metropolitan Transit System". " true if "The buses are fast."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant