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