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