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: Embryo transfer refers to a step in the process of assisted reproduction in which embryos are placed into the uterus of a female with the intent to establish a pregnancy .

SOLUTION: In embryo transfer , embryos are placed in a woman 's uterus .

PROBLEM: Keith Richards ( born 18 December 1943 ) is an English musician , singer , and songwriter , best known as the co-founder , guitarist , secondary vocalist , and co-principal songwriter of the Rolling Stones .

SOLUTION: Keith Richards ( born 18 December 1943 ) is an English guitarist best known as a founder member of the Rolling Stones .

PROBLEM: Raymond Aubrac ( 31 July 1914 – 10 April 2012 ) was a leader of the French Resistance during the Second World War and a civil engineer after the Second World War .

SOLUTION:
Raymond Aubrac ( 31 July 1914 – 10 April 2012 ) was a French engineer and leader .