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