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