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