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

They refuse to testify at a deposition, and my suggestion to them was that if we were capable of resolving something as a result of this conference, that they would then attend a deposition, because I believe the defendants would have a right to cross-examine them or otherwise examine them prior to them taking the stand. And based upon that, they would then testify in court.

pick from the following. a. Yes b. It's impossible to say c. No
Hypothesis: It's best, generally, for people to testify at depositions.
b.