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