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