john mercer has evidence. john mercer has already given his evidence as to what was said to him, and it's questionable whether the power then extends to compel him to , then extends to compel him to, produce evidence and dictate the content of that evidence , which content of that evidence, which is what he's being told to do by by producing the names i see. >> so there's at least an argument that there you can compel somebody to give evidence. you can't compel the extent of that evidence, as long as what they say is true in the evidence that they give. >> that's that that seems to be a plausible interpretation on on the wording of section 21 and parliament may have intended that to not to at least provide evidence , but not to dictate or evidence, but not to dictate or the extent of that evidence. and in what i hope is the unlikely eventuality that johnny mercer would be sent to prison, how would be sent to prison, how would that function? >> would he go for trial before jury, >> would he go for trial before