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