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