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