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