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