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