Classify the movies based on the protagonist hero who acted in them.
 Chak De! India , Kuch Kuch Hota Hai, Om Shanti Om, Dangal, Sultan, Dabangg
Shah Rukh Khan - Chak De! India, Kuch Kuch Hota Hai, Om Shanti Om
 Salman Khan - Sultan, Dabangg
 Aamir Khan - Dangal