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