See all problems here:
https://epoch.ai/frontiermath/open-problems
"A Ramsey-style Problem on Hypergraphs" has already been marked as solved, this market is about which will be solved next.

Resolves according to which one is marked as solved first on the website. If multiple are marked at the same time the market resolves according to an even per-problem split of 100%. If a problem is completed by humans or deemed too easy post-completion and removed that does not constitute a YES resolution.

N/A if the layout changes enough to make resolution of this market impossible, or all the problems are removed from epoch's website and no alternative exists. If a new problem is added which does not match any of the buckets above, and this new problem is (among) the next to be solved, I will N/A the market. I will extend this market as needed.