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