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