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