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