Invalid contract
Resolution method: go to https://www.manifold.love/ and filter by gender, chose "woman", then by age, chose <= 25, chosing "active" rather than "new". Note in particular that the referent of "woman" is explicitly delegated to manifold.love's own categorization (which for all I know might change).
Market hacking (e.g., creating fake profiles) is against the spirit of this question and I may adjust for it.
As of market creation, there are 57 such users.
If manifold.love doesn't exist, market resolves as <50.
See this note in the question criteria:
Note in particular that the referent of "woman" is explicitly delegated to manifold.love's own categorization (which for all I know might change).
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