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