One of the buses is marked "Linea Express" while the other is marked "Metropolitan Transit System". 
The buses are marked.
Is it possible to conclude that "One of the buses is marked "Linea Express" while the other is marked "Metropolitan Transit System". " if "The buses are marked."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
Is it possible to conclude that "One of the buses is marked "Linea Express" while the other is marked "Metropolitan Transit System". " if "The buses are marked."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant