读短文，判断下列句子。

Caveman family's new age（《疯狂原始人2》）

Who is the world's first family？In Caveman family 2，it is the Croods. They live in a cave（山洞里），not in a house. They play with stones，not toys. They wear fur coats，but no shoes The Bettermans live in a big and bright tree house. They watch TV. They wear nice clothes and even nip-们ops（夹脚拖）

The two families are different，but they have the same thing. They both love their own family.