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