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