Can we draw the following hypothesis from the context (see options)? 

Context:

How to install a bakflip hd tonneau cover on a ford f150<br>Place the rail of the bakflip hd on right hand side bed rail of the f150. Slide the tonneau rail all the way forward to the bulk head. It is a good idea to have a squeeze clamp or similar to hold it in place.

Hypothesis: Slide the bed rail all they way to the bulk head.
Possible answers: (I) Yes; (II) It's impossible to say; (III) No;
(III)