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