three males and a female watch as a biker fixes a chain that has come off his gear on his bike.
The biker knows how to fix his bike.
If "three males and a female watch as a biker fixes a chain that has come off his gear on his bike.", does it logically follow that "The biker knows how to fix his bike."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "three males and a female watch as a biker fixes a chain that has come off his gear on his bike.", does it logically follow that "The biker knows how to fix his bike."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant