   neutral   we're already late, so I think we had better take a taxi.     neutral   I don't think we'll be able to find a taxi very easily during hush hours. Let's just take the bus.  
    neutral   fine. Have a look at the timetable to find out when the next one arrives.     neutral   it looks like it should be here in just a few minutes.  
    happiness   don't worry. Nothing bad will happen. I'll even buy your ticket for you.     happiness   
 Thanks. That is quite kind of you! 
 Oh, thank you. It is quite an offer.    sadness   what do you