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