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