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