TASK DEFINITION: In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
PROBLEM: how big or small a visible light can get, Answer: An example of this phenomenon is that clean air scatters blue light more than red wavelengths, and so the midday sky appears blue.

SOLUTION: No

PROBLEM: what did chaucer do, Answer: While he achieved fame during his lifetime as an author, philosopher, alchemist and astronomer , composing a scientific treatise on the astrolabe for his ten year-old son Lewis, Chaucer also maintained an active career in the civil service as a bureaucrat, courtier and diplomat.

SOLUTION: Yes

PROBLEM: what is prefix phone number, Answer: A telephone prefix is the first set of digits of a telephone number; in the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit phone number.

SOLUTION:
Yes