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