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