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