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.

[EX Q]: Sentence: For an exothermic chemical reaction, energy is given off as reactants are converted to products. Question: For an exothermic chemical reaction, energy is given off as reactants are converted to what?
[EX A]: products

[EX Q]: Sentence: Carbon dioxide is an example of a material that easily undergoes sublimation. Question: Carbon dioxide is an example of a material that easily undergoes what?
[EX A]: sublimation

[EX Q]: Sentence: Vertebrata are characterized by the presence of backbone. Question: Vertebrata are characterized by the presence of what?
[EX A]:
backbone