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