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