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