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