Answer: Merry people are most likely to marry.
Explanation: I had a question like this and that's what i put, and got 100%
The family is the most important social institution that man establishes to ensure his survival. All members of a family are assigned a relationship. The primary function of a family is to nourish, protect, educate, and provide a stable social status for its members.
The family is widely regarded as the most important social institution. A family institution is a basic unit in society, and the multifaceted functions it performs make it a much-needed institution in society. It is one of the world's oldest social institutions. Although families differ greatly around the world, they do share some common concerns in their daily lives.
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Third one is passive sentence
