TASK 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.
PROBLEM: Sentence: Solid takes neither the shape nor the volume of its container. Question: What state of matter takes neither the shape nor the volume of its container?

SOLUTION: solid

PROBLEM: Sentence: Red-shift refers to a shift toward red in the spectrum from stars. Question: red-shift refers to a shift toward red in the spectrum from what celestial bodies?

SOLUTION: stars

PROBLEM: Sentence: A blue block appears blue in the sunlight if only blue light is reflected by the block. Question: What causes a blue block to appear blue in the sunlight?

SOLUTION:
Only blue light is reflected by the block.