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