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