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