Represent the dialog for retrieving similar scenarios Speaker1: Are the classes on this week?
Speaker3: I think so...
Speaker3: why?
Speaker2: She said she'd be away for a while
Speaker1: That's right
Speaker2: I'd better call and find out
Speaker3: Oh, I didn't know
Speaker3: OK, thanks
Represent the dialog scenario for retrieval Speaker2 will call to find out if the classes take place this week. 
Represent the dialog scenario for retrieval Speaker1 and Speaker2 are bored at work and have still 4 hours left.