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