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