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