[speaker001:] What 's the date today?
[speaker002:] December the fifteenth. The day after tomorrow is little Tom 's birthday.
[speaker001:] Right. What present should we give him this time? By the way, how old is he?
[speaker002:] Thirteen today and tomorrow. Fourteen the day after tomorrow.
[speaker001:] How time flies! He 's a big boy now.
[speaker002:] And don 't forget Mary, Tom 's twin sister. It 's her birthday, too.
[speaker001:] OK. Let 's invite all their little friends to come and celebrate.