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