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