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