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