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