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