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.

[Q]: Sentence: The name of positive ion ion always comes first. Question: The name of which ion always comes first?
[A]: positive ion

[Q]: Sentence: Most of the energy used by living things comes either directly or indirectly from the sun. Question: Most of the energy used by living things comes either directly or indirectly from what?
[A]: the sun

[Q]: Sentence: A heterocyclic compound contains atoms of two or more different elements in its ring structure. Question: What type of compound contains atoms of two or more different elements in its ring structure?
[A]:
heterocyclic