Question:
Choose your answer: Is "Arsphenamine was prepared as part of a campaign to synthesize a series of such compounds, and found to exhibit partially selective toxicity." a good answer to the question "What was the commercial name of arsphenamine?" OPTIONS:
- yes
- no
Answer:
no

Question:
Choose your answer: Is "Zinc is also used in contemporary pipe organs as a substitute for the traditional lead/tin alloy in pipes." a good answer to the question "What has zinc replaced in pipe organs?" OPTIONS:
- yes
- no
Answer:
yes

Question:
Choose your answer: Is "During the remainder of his reign, John focused on trying to retake Normandy." a good answer to the question "John focused on trying to retake what?" OPTIONS:
- yes
- no
Answer:
yes