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