A dirt biker rides up a rocky hill on a motorized dirt bike.
Dirt bikes designed for trail riding
Is the premise "A dirt biker rides up a rocky hill on a motorized dirt bike." true if "Dirt bikes designed for trail riding"?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
Is the premise "A dirt biker rides up a rocky hill on a motorized dirt bike." true if "Dirt bikes designed for trail riding"?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant