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