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