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