Mention markets are unusually rule-sensitive: does a repost count, does a plural or possessive form count, does a written post count for a market about speech, does the word inside a quoted headline count? The rules answer these, and the market price often does not reflect them. You read the resolution text closely, identify markets whose price implies a looser or stricter definition than the rules state, and take the side the text supports.
Markets on Polymarket where mention-rule ambiguity mining is the natural play: