A skater is jumping down a huge staircase on his board.
A person on roller blades.
Is the premise "A skater is jumping down a huge staircase on his board." true if "A person on roller blades."?

Options: 

 - yes

 - it is not possible to tell

 - no
no
Is the premise "A skater is jumping down a huge staircase on his board." true if "A person on roller blades."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant