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