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