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