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