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