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