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