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.

[EX Q]: In marine sediments the biological production of methane , also termed methanogenesis , is generally confined to where sulfates are depleted , below the top layers .
[EX A]: In marine sediments methane is produced when sulfates are low .

[EX Q]: The species most commonly referred to as " pigeon " is the species known by scientists as the rock dove , one subspecies of which , the domestic pigeon , is common in many cities as the feral pigeon .
[EX A]: The feral domestic pigeon is often called the " rock dove " : it is common in many cities .

[EX Q]: On 13 November 2001 , President George W. Bush signed a military order titled the Detention , Treatment , and Trial of Certain Non-Citizens in the War Against Terrorism , which sought to detain and try enemy combatants by military commissions under Presidential authority alone .
[EX A]:
On 13th November 2001 , President Bush signed a military order titled " Detention , Treatment and Trial of Certain Non-Citizens in the War Against Terrorism " .