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