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