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