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