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