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