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