Does "The opera buffa, a form of comic opera, rose in popularity." contain the correct answer to "What is an opera buffa?"

A: yes

Does "However at 17, Victoria, though interested in Albert, was not yet ready to marry." contain the correct answer to "How old was Victoria when she was introduced to Albert?"

A: yes

Does "New York interracial abolitionist activism continued; among its leaders were graduates of the African Free School." contain the correct answer to "Along with John Jay, who founded the New York Manumission Society?"

A:
no