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