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