A snowboarder performs a trick by riding down the rail of a staircase.
Snowboarder riding down rails.
If "A snowboarder performs a trick by riding down the rail of a staircase.", does this mean that "Snowboarder riding down rails."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "A snowboarder performs a trick by riding down the rail of a staircase.", does this mean that "Snowboarder riding down rails."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant