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