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