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