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