Your goal is to find the secret four-color code. The following colors are possible: brown, pink, purple, orange, black, green.
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: ['purple', 'brown', 'pink', 'orange']. Hint: two colors are in the correct positions.
Guess: ['brown', 'brown', 'purple', 'purple']. Hint: none of the guessed colors are present in the secret code.
Guess: ['pink', 'pink', 'black', 'black']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['orange', 'black', 'pink', 'orange']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
A B C D
black, green, pink, orange orange, pink, pink, orange green, black, purple, brown purple, green, black, purple