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