That is an interesting set of poll results. I can't find the details but looking at other polls the margin of error is around 2% for other sky polls, so the option of revoking is well within shouting distance of continuing with either a deal or no-deal. The very large unknowns makes thie actual wishes indecipherable.

. I believe it would be perfectly possible to get a huge vote in favour of revocation by preceding the survey with an accurate statement like this:

We are nearing completion of the first phase of the Brexit negotiations, the withdrawal agreement. The next phase will involve negotiating our continuing relationship with the EU and other countries. Such negotiations have typically taken seven years or more, and will be unavoidable for either deal or no-deal.