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