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