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