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