In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Q: Scott 's party faced extremely difficult conditions on the return journey , mainly due to the exceptionally adverse weather , poor food supply , injuries sustained from falls , and the effects of scurvy and frostbite .

A: On the way back , Scott 's team had many problems : very bad weather , poor food supply , injuries from falls , scurvy and frostbite .
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Q: 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 .

A: 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 .
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Q: He reigned as the world heavyweight champion from 1937 to 1949 , and is considered to be one of the greatest heavyweight boxers of all time .

A:
He was the world heavyweight champion from 1937 to 1949 .
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