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