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