People are going up and down on three escalators.
Some are using transport device
If "People are going up and down on three escalators.", does this mean that "Some are using transport device"?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
If "People are going up and down on three escalators.", does this mean that "Some are using transport device"?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant