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