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