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