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