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