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