I Prefer..

nature - country
I prefer oldies songs to country

Oldies. I can't stand country.

I prefer dance music to hard rock music.

dance
I prefer watermelon to cantaloupe

Watermelon

I prefer fruit juice to soft drinks.

soft drinks..can't have the sugar in fruit juices
I prefer a spaghetti supper to pizza

I prefer pizza.

I prefer to eat Burger King to eating McDonald's.

Burger King..flame broiled!
I prefer homemade chili to Wendy's chili

Definitely homemade, I make kick-butt chili. Yummy. (although I'd rather starve than eat at BK -:barf)

looking for a new dentist or a new doctor?

new dentist
I prefer tomatoes on my sandwiches to none

Definitely.

I prefer to be hungry than eat McDonald's.