Your goal is to find the secret four-color code. The following colors are possible: yellow, pink, green, black, brown, orange.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['pink', 'green', 'brown', 'yellow']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['yellow', 'green', 'green', 'black']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['yellow', 'green', 'pink', 'green']. Hint: two colors are in the correct positions.
A B C D
yellow, orange, green, brown yellow, green, black, brown orange, yellow, brown, green yellow, orange, black, black