instruction:
In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
question:
Sentence: An experiment is a controlled scientific test that often takes place in a lab. Question: What is a controlled scientific test that often takes place in a lab?
answer:
an experiment


question:
Sentence: When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being reduced. Question: When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being what?
answer:
reduced


question:
Sentence: Centripetal forces cause objects to turn around continuously in a circle. Question: Forces which cause objects to turn around continuously in a circle are known as?
answer:

centripetal forces