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