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