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