I should dearly have liked to know whether they were Europeans or Americans, but I couldn't hear the accents. They appeared to be arguing. I hoped the white men weren't telling him to eliminate all witnesses because I don't believe it would have needed much persuasion.

Based on the paragraph above can we conclude that "eliminating all witnesses would have needed much persuasion"?

Options:
1). Yes.
2). No.
3). It's impossible to say.
2).