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