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