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