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