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