Teacher:In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Teacher: Now, understand the problem? Solve this instance: In criminal trials , the insanity defense is the claim that the defendant is not responsible for his or her actions due to a mental illness .
Student:
The insanity defense , also known as the mental disorder defense , is an affirmative defense by excuse in a criminal case , arguing that the defendant is not responsible for his or her actions due to an episodic or persistent psychiatric disease at the time of the criminal act .