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

Context:

How to make thermite<br>Select your site carefully. Make sure there is nothing that can burn within four meter radius of the reaction. Check that metals with low melting points, such as lead, tin, cadmium, or zinc, aren't near your four meter radius.

Hypothesis: Select your site carelessly. 
Select from:
 (1). Yes.
 (2). It's impossible to say.
 (3). No.