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