I think it is a... because hike is a verb. warm and cozy are adjitives
Each piece can represent a story and then put them all together is like their heritage as a whole.
Prepositional is a word that expresses a relationship between a noun/pronoun and another word in a sentence. Easier way to put it would be like saying you take a object or noun (ex: home) and also make up a location (ex: in), basically noun relation to a verb.
Example: <u>In my house</u>, you'll find my dog. House relates to where the dog is.