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