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