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