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