Which of these could be a main idea?

Writing about thing people usually do

Lauses unnecessary to the meanings of the words modified demonstrative 2. clauses necessary to the meanings of the words modified relative 3. words for which pronouns stand intensive 4. a pronoun ending in -self and referring to the previously used noun or pronoun nonrestrictive clauses 5. a pronoun ending in -self and used for emphasis restrictive clauses 6. pronouns that ask questions indefinite pronouns 7. pronouns that point out to whom or to what the speaker is referring reflexive 8. everyone, nobody, and something are examples antecedents 9. pronouns introducing adjective or noun clauses interrogative 10. i, you, him, mine, and their are examples personal pronouns

Atheme from letter 4 in frankenstein is “friendship is sometimes born in the most unconventional places and situations.” this theme is conveyed through the conversations between walton and frankenstein, and these talks lead them to become confidants and friends. describe a theme from letter 3 of frankenstein and a different theme from letter 4. how are these themes conveyed in each letter? provide evidence from the text to support the themes expressed in each letter.