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