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