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