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

Context:

How to grill chicken breasts<br>Prepare the grill to help the chicken cook better. Use a grill scraper to remove any residue from the grill. Lightly spray the cooking surface with non-stick spray so the chicken will not stick to it.

Hypothesis: leave the residue on the grill
Pick your answer from:
A). Yes;
B). It's impossible to say;
C). No;
C).