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