instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: What type of behavior is most flexible? Answer: learned behavior
answer:
Learned behavior type of behavior is most flexible.


question:
Question: What can human facial expressions communicate? Answer: emotions
answer:
Human facial expressions can communicate emotions.


question:
Question: Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the what? Answer: cesium chloride structure
answer:

Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the cesium chloride structure.