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