Your goal is to find the secret four-color code. The following colors are possible: yellow, pink, black, blue, brown, green.
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: ['green', 'blue', 'pink', 'yellow']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['yellow', 'pink', 'black', 'black']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['black', 'brown', 'green', 'black']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['yellow', 'black', 'black', 'green']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
pink, green, brown, black yellow, pink, blue, black green, green, yellow, blue black, green, green, brown