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