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