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