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