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