Asked as whether Hamilton and Vettel would be a workable solution inside Mercedes given their status in F1, Allison told the F1 Nation podcast: "The first and most obvious thing to say is that we have a very fine driver line-up today. We also have options around us that give us access to other fine drivers.
"So it's not very easy to imagine the stars aligning in such a way as to ever make your question hypothetical. I can imagine if that were ever to happen, both men would figure out a way to make it work.
"Clearly Lewis is a phenomenal driver and Sebastian has a fair few achievements under his belt as well. I'm sure the professionals in both of them would find a way of making it work."
Allison, however, added: "I find it very difficult to imagine that the many good options that we have around us would ever evaporate to that extent."
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