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