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