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