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