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