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