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