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