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