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