vexata questio造句

Barry used this, along with the Colonial Secretary's reply ( although he was unable to obtain a copy of for the court ), to introduce his proposition that the ability under the current law to try Aboriginal persons for crimes committed against other Aboriginal persons either " [ did ] not exist, or . . . is so debatable a matter, so much of a'vexata questio,'as to call for some declaratory expression on the part of Her Majesty's government ."
It's difficult to find vexata questio in a sentence. 用vexata questio造句挺难的