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