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