A prepositional phrase is the part of the sentence that consists of a preposition and its object. Prepositional phrases can modify the verb or the noun. In the case of the sentence<em> a girl in my classroom threw a paper airplane</em>, the preposition<em> in </em>and the object <em>my classroom</em>, modify the noun, (a girl), therefore it is a prepositional phrase, and because it modifies the noun it is also called adjectival phrase.
The poem deals with the end of a life, more precisely, he wrote it after his son died. It perfectly fits the role of being a final poem in a collection.</span>
