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