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