A prepositional phrase begins with a preposition. The preposition in this sentence is the word <em>around. </em>Having this in mind, the words that make up the prepositional phrase in this sentence are around the proposed park.
The main idea is what the author is mainly talking about.
(b) the speaker creates a personal tone with the audience
<span>The agent has a "duty of loyalty" to the seller, </span>meaning<span> that he or she has to keep </span>More than<span> one quarter of </span>home <span>buyers were dissatisfied with their agent may not work for the </span>same real estate<span> brokerage </span>house<span> as is listing the property.</span>