What would the given word be most likely to mean in each of the contexts suggested? Use a dictionary if necessary.

1. register:
   a a primary school
   b a post office
2. interest:
   a people planning a festival
   b a bank
3. dice:
   a a kitchen
   b people playing a board game
4. service:
   a people playing tennis
   b in a restaurant
5. case:
   a in a lawyer's office
   b at an airport
6. cue:
   a people playing snooker
   b in the theatre