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