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

Context:

Shahzad Hasan (also known as Shahi Hasan), is a Pakistani musician, record producer, occasional actor, bass guitarist, backing vocalist and music industry executive. Co-founding the pop and rock band, Vital Signs, with keyboardist Rohail Hyatt in 1986, he earned recognition of playing bass guitar and as an original member of Vital Signs.

Hypothesis: Hasan was not an original member of Vital Signs.
Choose your answer from:
(a). Yes.
(b). It's impossible to say.
(c). No.
(c).