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