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