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