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

Context:

The main library at 101 E. Franklin St. changes its solo and group exhibitions monthly in the Gellman Room, the Second Floor Gallery, the Dooley Foyer and the Dooley Hall.

Hypothesis: All exhibitions are solo exhibits.
Options are:
(a). Yes.
(b). It's impossible to say.
(c). No.