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