Read the text and determine if the sentence is true (see options at the end):

GM established grounds for suspicion of industrial spying by presenting affidavits from its employees. The aim will be to determine if VW's project was copied from GM data - essential if industrial espionage is to be proved.

Sentence: GM was copied by VW.
Possible answers: (a). Yes (b). It's impossible to say (c). No
(b).