Your goal is to find the secret four-color code. The following colors are possible: yellow, brown, blue, green, purple, white.
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: ['blue', 'brown', 'purple', 'yellow']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['yellow', 'yellow', 'purple', 'green']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['yellow', 'yellow', 'yellow', 'white']. Hint: none of the guessed colors are present in the secret code.
Guess: ['blue', 'green', 'purple', 'brown']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
A B C D
blue, brown, yellow, white brown, green, brown, green green, brown, purple, blue yellow, purple, yellow, green