Yep, it's the first M. I think in general the rule is this: - Any Ms in the correct position turn green (duh) - If there are X Ms remaining in the answer, turn

Yep, it's the first M. I think in general the rule is this: - Any Ms in the correct position turn green (duh) - If there are X Ms remaining in the answer, turn the first X (non-green) Ms in the guess yellow