What is Sarah's objective in every line she speaks?
"SARAH is emptying and dusting ashtrays in the living-room. It is morning. She wears a crisp, demure dress. RICHARD comes into the bedroom from bathroom, off left, collects his briefcase from hall cupboard, goes to SARAH, kisses her on the cheek. He looks at her for a moment smiling. She smiles. Starts in silence
RICHARD (amiably). Is your lover coming today?
SARAH. Mmnn.
RICHARD. What time?
SARAH. Three.
RICHARD. Will you be going out... or staying in?
SARAH. Oh... I think we'll stay in.
RICHARD. I thought you wanted to go to that exhibition.
SARAH. I did, yes... but I think I'd prefer to stay in with
him today. RICHARD. Mmn-hmmn. Well, I must be off. yoes avend
He goes to the hall and puts on his bowler hat.
RICHARD. Will he be staying long do you think?
SARAH. Mmmnnn
RICHARD. About... six, then.
SARAH. Yes.
RICHARD. Have a pleasant afternoon.
SARAH. Mmnn.
RICHARD. Bye-bye.
SARAH. Bye."