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