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