instruction:
In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
question:
how were letters sealed in the 1800s, Answer: The study of seals is known as sigillography or sphragistics.
answer:
No

question:
how big or small a visible light can get, Answer: The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye .
answer:
No

question:
What did the hollywood blacklist have to do with McCarthy, Answer: Most of these punishments came about through trial verdicts later overturned, laws that would be declared unconstitutional, dismissals for reasons later declared illegal or actionable , or extra-legal procedures that would come into general disrepute.
answer:
No