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