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