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