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