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