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