Sometimes two letters indicate few words. Lock one of those, certainty prevails.
Wordle 257 4/6

⬛️⬛️⬛️⬛️⬛️
⬛️⬛️🟨🟨⬛️
🟨🟩⬛️🟨⬛️
🟩🟩🟩🟩🟩