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