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