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