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