Well, that's not my intention. And I wanted to let you go as far as you could, and I think I have to interject and I want to interject and I want to be clear, because I think it's important that I do that. Let me address a couple points that you made.
The speaker is interrupting someone else.
From the context, we don't know for sure they interrupting. They state they're interjecting but this could be because the other person's speaking had finished or because they were in the middle of speaking.
( z1 interrupt :ARG0 ( z2 person :ARG0-of ( z3 speak ) ) :ARG1 ( z4 someone :mod ( z5 else ) ) )