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