Your goal is to find the secret four-color code. The following colors are possible: purple, orange, black, pink, blue, brown.
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', 'pink', 'blue', 'orange']. Hint: two colors are in the correct positions.
Guess: ['purple', 'purple', 'orange', 'black']. Hint: two colors are in the correct positions.
Guess: ['orange', 'purple', 'blue', '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, black, orange, purple pink, blue, blue, orange black, black, brown, purple purple, brown, blue, black