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