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