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