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