Q:Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who retire from crime-fighting? Title: Kick-Ass Movie plot: Dave Lizewski is an ordinary teenager who lives in Staten Island, New York. Inspired by comic books, Dave plans to become a real-life superhero. He purchases and modifies a bodysuit, and arms himself with batons. During his first outing, he gets stabbed and then hit by a car. After recovering, he gains a capacity to endure pain and enhanced durability. In his absence from school, a rumor spreads that he is gay, as he was found naked by the paramedics after discarding his costume. As a result, his longtime crush, Katie Deauxma, immediately attempts to become his friend. Unhappy with the misunderstanding, Dave nevertheless appreciates the opportunity to get closer to Katie. Dave returns to crime-fighting and gains notoriety after intervening in a gang attack. Calling himself "Kick-Ass", he sets up a Myspace account where he can be contacted for help. Responding to a request from Katie, he confronts a drug dealer, Rasul, who has been harassing her. At Rasul's place, Kick-Ass is quickly overwhelmed by Rasul's thugs. Before they can kill him, two costumed vigilantes, Hit-Girl and Big Daddy, intervene, easily slaughter the thugs and leave with their money. After coming home, Dave realizes he is in over his head, and plans to give up crime-fighting. However, Hit-Girl and Big Daddy pay him a visit and encourage him. Big Daddy's real identity is Damon Macready, formerly an honest cop. Framed by Mafia boss Frank D'Amico, he was jailed. His wife committed suicide, leaving behind his daughter Mindy. Against the protest of his former partner Marcus Williams, Damon trains himself and Mindy (Hit-Girl) as preparation for getting revenge on Frank. They have been undermining Frank's operations by raiding his warehouses, robbing his money and destroying his drugs. Frank believes Kick-Ass is responsible for the attacks and targets him, impulsively killing a party entertainer who is dressed like Kick-Ass. Frank's son, Chris, suggests a different approach. He poses as a new vigilante, "Red Mist," and befriends Kick-Ass. He plans...
A:
Mindy and Dave