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