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