According to the text, what kind of function does sad music can serve?

According to the title "Modern dentists: How can they help you?", what kind of text is it?

A、

Fiction.

Magazine/Newspapaer article.

Report.

Travel guide.

What kind of Chinese desserts does the café serve?

How does watching sad movies benefit us according to the text?

A、It makes us content with our lives.
B、It rides us of unhappy memories.
C、It reduces our risk of illness.
D、It develops our creativity.

What kind of music does the man like?