The current pattern is __art_, and the letters we have already guessed include a, c, e, i, r, s, and t. My reasoning is to try a common consonant that might fit in the unspecified positions without overlapping the incorrect guesses so far. I choose the letter 'm', as it is a common consonant, and it could potentially form a word like 'mart' or a related variation. It hasn’t been guessed yet, so I will guess it next.