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