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