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