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