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