"the price for an item is too high" - not a noun phrase. Actually, this is a clause, as it has a predicate of its own.
"a bottle of water while strolling" - not a noun phrase. "A bottle of water" would be a noun phrase (a phrase that has a noun as a headword), but "while strolling" is an adverbial phrase that describes the verb "buy".
"The same brand of bottled water" - noun phrase. The headword is "brand", and all the other words cling to it and provide additional explanation.
"a pair of athletic shoes" - noun phrase. The headword is "pair".
Answer:
to show the other part or other side like pros and cons there can be the pro of the argument and the cons the cons can show why/when/where the bad parts of the topic/theme is
Context is what something is contained of. So explaining the context of a story, means to explain what the story means, or what the story is about.
A would be the answer on my behalf
