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