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