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