You could do a flowchart kinda thing with different traditions and beliefs about marriage with different religions/cultures
I am guessing on this, but I think that the answer is the body.
1- transitive verbs
2- relative pronouns
3- interrogative pronouns
4- indefinite pronouns
5- pronominal adjective
6- nominative case
7- adjective phrase
8- adverb phrase
9- interjection
10- conjunction
hope it's ok