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