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