A．Either men or women are always introduced to the newcomer.
B．Girls over eighteen are introduced to older people.
C．A man is introduced to a woman if she is over eighteen.
D．The young are introduced to the old if they are of different sexes.

A．A small house with two bedrooms, a kitchen, a dining room and a bathroom.
B．A small house with a living room, two bedrooms and a bathroom.
C．A small house with a kitchen, a dining room, two bedrooms and a living room.
D．A small house with a kitchen, a living room, two bedrooms and a garden.