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