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