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