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