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