In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".

[Q]: how were letters sealed in the 1800s, Answer: The original purpose was to authenticate a document, a wrapper for one such as a modern envelope, or the cover of a container or package holding valuables or other objects.
[A]: No


[Q]: what is human chorionic, Answer: In molecular biology , human chorionic gonadotropin (hCG) is a hormone produced by the fertilized egg after conception .
[A]: Yes


[Q]: how were letters sealed in the 1800s, Answer: For legal purposes, the definition of a seal may be extended to include rubber stamps , or writing specified words ("seal" or "L.S.").
[A]:
No


