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