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