Mithrandir said:
The dialogue still isn't buying me. Might it be better
P: You're sooner than I expected!
W: I know who you are, I know what you are... (turn on sabre) The senate will decide your fate.
P: I am the Senate
W: Not yet (or maybe here, turn on sabre)
P: It's treason then.
Please Gandalf ! I already explained it once : impossible to put " I know who you are...." in another place