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