Question

Two households, both alike in dignity. what is the prologue's first prepositional phrase?
Writeacher
What prologue? I see a fragment (not a complete sentence) and certainly not a prologue!!

http://www.englishclub.com/grammar/prepositions-list.htm
There's one prepositional phrase -- can you find it?
Hayden
Households
Hadley
In fair Verona