I placed all my corrections between two (), comment if something is not clear.
Is (to) set a date and find the location.
out the menu, (as well as the) entertainment.
input from other(s) and (assign) them tasks to (complete).
mail the invites out(no s).
or event (got underway, I would)
the guests(s) (were) having a good time.
There are two nouns in this sentence, justification, and actions
Hope this helps :D
She is referring him as a kind gentleman, she is saying that he is kind out of maybe the men she knows or what she knows by the way men act. Hope I helped !
Devestation, thing got ruined, people injured or killed, more homeless