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 distinctive appearance of cartilage tissue is due to polysaccharides called chondroitin sulfates. Question: The distinctive appearance of what tissue is due to polysaccharides called chondroitin sulfates?
[A]: cartilage


[Q]: Sentence: Energy do ecosystems absorb on the earth. Question: What do ecosystems absorb on the earth?
[A]: energy


[Q]: Sentence: The four closest planets are more dense of the following statements best describes how the four planets closest to the sun are different from the next four planets in our solar system. Question: Which of the following statements best describes how the four planets closest to the Sun are different from the next four planets in our solar system?
[A]:
The four closest planets are more dense.