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