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