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