The sentence is correct, according to my understanding; but I'll grant you it's confusing. As usual, it assumes a bit of context. We're making a list of things which would be different for different occasions.
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AnonymousAlso depending on the occasion would be the shape of the cake.It doesn't make much sense to me. I think it's trying to say,
Anonymous We weren't even sure what the subject on the original sentence was.Hey, Jim, I was waiting for you to weigh in on this one!