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