In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
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Question: how a silencer works, Answer: In U.S. law, the terms "firearm muffler" and "firearm silencer" are synonymous.

Answer: No

Question: how deep can be drill for deep underwater, Answer: In time once the deepwater oil well is not in use anymore plants will grow on and around the well making a cave or cavern like shelter ideal for animals to thrive in.

Answer: No

Question: where does the expression "knocking on wood" come from, Answer: Knocking on wood, or to touch wood, refers to the apotropaic tradition in western folklore of literally touching/knocking on wood, or merely stating that you are doing or intend same, in order to avoid " tempting fate " after making a favourable observation, a boast, or declaration concerning one's own death.

Answer:
Yes