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