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