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