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