Answer the following question, but give the rationale first. Would an oil painter avoid reds from scale insects that live on a cactus?

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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Carmine is the product of an insect that lives on some cacti. Carmine is not stable in oil paints and its usage has been discontinued. Carmine is red. So the final answer is yes.