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