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