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