Represent the dialog for retrieving similar scenarios Speaker1: Speaker2, where is my biking helmet?
Speaker2: what? How should I know that?
Speaker1 : I can't find it, I thought that you  put it somewhere
Represent the dialog scenario for retrieval Speaker1 can't find his biking helmet.
Represent the dialog scenario for retrieval Speaker1 can't decide whether he wants pizza or pasta. He invites Speaker2 over for a dinner at 15.