A mountain biker takes on the challenge of an off-road course.
A person is riding a bike.
If "A mountain biker takes on the challenge of an off-road course.", can we conclude "A person is riding a bike."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "A mountain biker takes on the challenge of an off-road course.", can we conclude "A person is riding a bike."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant