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