Definition: 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.
Input: Sentence: Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the cesium chloride structure. Question: Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the what?
Output:
cesium chloride structure