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