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