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