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