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