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