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