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