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