Q: Have any members of the 2020 British royal family allegedly committed a felony?
A: The 2020 British royal family includes Queen Elizabeth II and her children. Prince Andrew is the son of Queen Elizabeth II. Prince Andrew was accused of sexual abuse in 2019. Sexual assault is classified as a felony.
The answer is yes.

Q: Does Siri know geometry?
A: Geometry is the study of size, shape and distance of objects. Determining location requires geometry. Siri can determine your location.
The answer is yes.

Q: Is Edgar Allan Poe obscure in the world of horror fiction?
A: Edgar Allan Poe's writing has endured for over 150 years. Edgar Allan Poe's horror writing has been included in classroom curriculum for decades.
The answer is no.

Q: Are gorillas closely related to humans?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Gorillas are part of the animal family Hominidae. Hominidae also includes the genus Homo, which only contains the human species.
The answer is yes.