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