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