They have a talent show to raise money for charity(对划线部分提问)划线部分是to raise money for charity

They have a talent show to raise money for charity(对划线部分提问)划线部分是to raise money for charity
They have a talent show to raise money for charity(对划线部分提问)
划线部分是to raise money for charity

They have a talent show to raise money for charity(对划线部分提问)划线部分是to raise money for charity
Why do they have a talent show?