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