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