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