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