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