Given a paragraph about cooking, and a set of conversational question answers about the paragraph, generate a relevant question to the topic of the paragraph. The paragraph has the prefix 'CONTEXT:'. Each conversation question has a prefix 'Q:' followed by the answer prefix 'A:'.
Q: CONTEXT: As long as they aren't spoiled they'll be fine for a crumble/crisp/cobbler. You'll want to have someone else taste them to make sure first. They may need less sugar and less or no precooking. If they are really, really mushy then you might want to add some firmer plums or other fruit to give some texture. <sep> Q: Are mushy plums OK to use in cooking? A: As long as they aren't spoiled they'll be fine for a crumble/crisp/cobbler
A:
What is they have black parts on them?