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

Context:

Swing Sequence: Dustin Johnson What we can learn from Dustin Johnson's booming drives: Only a few tour pros have a shot that can make other tour pros stop what they're doing on the range and have a look. 2016 PGA Tour Player of the Year Dustin Johnson has one. Study his swing frame-by-frame. Start Slideshow

Hypothesis: Just What broke his arm during the video clip.
Pick your answer from:
1). Yes;
2). It's impossible to say;
3). No;
2).