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