Read the following paragraph and determine if the hypothesis is true:

John Cox is an American screenwriter born and currently residing in Los Angeles, California. Cox co-wrote the film "Boot Camp" (2007), and the most current draft of Sgt. Rock for Joel Silver and Warner Bros. He also wrote "Virulents" for New Regency and director John Moore. Unproduced credits include "The Cold" (Warner Bros.), "The 10th Planet" (MGM), and "The Cotton Club Murder" (USA Network).

Hypothesis: John Cox was a excellent film writer.
It's impossible to say