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