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