Question: Was Dioskourides a lapidary?
Answer: A lapidary is a person or machine who cuts gemstones; classically, it refers to a person who engraves gemstones. Dioskourides put his signature on a Roman amethyst ringstone with a portrait of Demosthenes circa late 1st century BC. Artists sign their work.. The answer is: yes.
Is metal a type of folk music?
Rationale first then the answer.
Folk music tends to be simple in structure, played on traditional acoustic instruments. Groups can be large but the song is designed to be playable by solo acts or small groups. Metal music is designed to be as loud and epic-sounding as possible, often with complex structures and almost always with electric instruments.. The answer is: no.
QUESTION: Would a dog respond to bell before Grey seal?
Please give rationale first, then the answer.
ANSWER: Grey seals have no ear flaps and their ears canals are filled with wax. Grey seals hear better underwater when their ears open like a valve. Dogs have sensitive ears that can hear as far as a quarter of a mile away.. The answer is: yes.
Question: Did Van Gogh suffer from a mental disorder?
Answer: Mental disorders can be characterized by psychotic episodes and delusions. Van Gogh suffered from psychotic episodes and delusions.. The answer is: yes.
Would Topa Inca Yupanqui have encountered the western honey bee?
Rationale first then the answer.
Topa Inca Yupanqui was an Inca ruler in the 15th century. Western honey bees were first introduced to the Americas in the 16th century.. The answer is: no.
Question: Did Bill Gates help to develop the PlayStation 4?
Answer:

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.
user
The PlayStation 4 was developed by Sony Interactive Entertainment. Bill Gates works for Microsoft Corporation, which is a competitor of Sony.. The answer is: no.