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