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