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: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this? Question: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
[A]: their external skeleton


[Q]: Sentence: You call the part of the skeletal system that connects bones joints. Question: What do you call the part of the skeletal system that connects bones?
[A]: joints


[Q]: Sentence: Shape notebook paper is folded to make an airplane, what physical property of the paper changes. Question: When notebook paper is folded to make an airplane, what physical property of the paper changes?
[A]:
Shape