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