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