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