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