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