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