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