In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.

[EX Q]: Sentence: The third is the presence of a community ; small and stable populations with a thick social network and social norms promoting conservation do better . 
 Question: what does something promote?
[EX A]: conservation

[EX Q]: Sentence: The tank is known as the SV-001 , which not only increases the player 's offense , but considerably adds to their defense . 
 Question: what is  known  as something?
[EX A]: tank

[EX Q]: Sentence: A Fifth order Fresnel lens manufactured by Parisian glass makers Barbier and Fenestre was installed in the lantern . 
 Question: what was  installed?
[EX A]:
A Fifth order Fresnel lens manufactured by Parisian glass makers Barbier and Fenestre ### A Fifth order Fresnel lens