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