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