instruction:
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.
question:
Synthetic dsRNA introduced into cells can suppress specific genes of interest .
answer:
RNAi is a valuable research tool , both in cell culture and in living organisms , because synthetic dsRNA introduced into cells can selectively and robustly induce suppression of specific genes of interest .


question:
In positive psychology , researchers are studying what gives a person satisfaction in life .
answer:
In positive psychology , social scientists study what might contribute to living a good life , or what would lead to people having increased positive mood and overall satisfaction with their life .


question:
He returned to France to be an air navigation director until 1993 .
answer:

He returned to France to be air navigation director of Direction de la navigation ae ́ rienne now called Direction des Services de la navigation ae ́ rienne until 1993 .


