Given the task definition and input, reply with output. 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:'.

CONTEXT: It really depends on the density of the bottom sponge. If it's too light, you might have a problem. To be doubly sure, take some wide straws (the ones about 1cm across) stick them in the bottom layer, then snip them flush. These will act like columns to support the top cake. <sep> Q: Is it possible to stack the top tier cake without using a cake board? A: It really depends on the density of the bottom sponge. If it's too light, you might have a problem
What can I do to make sure to avoid that problem?