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