a beer festival的用法和样例：
- Two glasses of cider and a beer, please.
- They had fast and furious fun at the beer festival.
- For reasons best known to himself, he drinks tea from a beer glass.
- He plunked a dollar down at the bar and ordered a beer.
- In the evening we would drop into a roadside pub for a beer and sandwich.
- Tom said he wanted a beer and I said same here.