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