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