1.
Fact: fast food is not bad if you eat it once a week
Opinion: eating fast food is not bad
Evidence, fast food can be harmful, for some people it is very harmful, for some they aren't.
2
Fact: chicken sandwiches are more expensive than double cheeseburgers
Opinion (same answer with fact)Evidence, it varies on the restaurant/people, some restaurants sell chicken sandwiches cheaper.
3
Fact: skateboarding on public property is against the law
Opinion: skateboarding is bad
Evidence: public property sometimes allows skating, but some people see it as an OK thing.
I'm sorry if it's incorrect, instructions weren't stated so I had to assume.
