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