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