Zoo<br>Ray went to the zoo. And he saw at the gorilla exhibit. Behind a glass wall, he kept provoking the gorillas, however. Eventually, the gorillas got so upset that Ray was asked to leave. Ray refused and was eventually banned from the zoo.

Can we draw the following conclusion?
The Gorillas were playing games before Ray showed up.

a). Yes
b). It's impossible to say
c). No
b).