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