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