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