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