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