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