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