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