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