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