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