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