TASK DEFINITION: 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.
PROBLEM: From 1921 to 1944 , Tuva constituted a sovereign , independent nation under the name of Tannu Tuva , officially , the Tuvan People 's Republic , or the People 's Republic of Tannu Tuva .

SOLUTION: From 1921 to 1944 , Tuva was a separate country called Tannu-Tuva .

PROBLEM: The iPhone 4S introduced a new automated voice control system called Siri , that allows the user to give the iPhone commands , which it can execute and respond to .

SOLUTION: The iPhone 4S introduced a new automated voice control system called " Siri " .

PROBLEM: An oral law is a code of conduct in use in a given culture , religion or community application , by which a body of rules of human behaviour is transmitted by oral tradition and effectively respected , or the single rule that is orally transmitted .

SOLUTION:
An oral law are rules of human behavior in use in a given culture , religion or other group , which is transmitted by oral tradition and respected .