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

Context:

Experimenting on a raft anchored on the river Elbe, Alfred Nobel tries to make nitroglycerine safer to handle. Finds that the addition of kieselguhr turns nitroglycerine into a dough that can be kneaded, and calls it "dynamite".

Hypothesis: Alfred Nobel has a very unsafe hobby.
Pick your answer from: [-] Yes; [-] It's impossible to say; [-] No;
It's impossible to say