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