Answer: A) Summer produce, such as heirloom tomatoes, can be used to create delicious salads.
Explanation: From the given sentences, the one that is written correctly is the first one: Summer produce, such as heirloom tomatoes, can be used to create delicious salads, because it uses commas before and after the subordinate clause "such as heirloom tomatoes." The other sentences are incorrect because a comma should never separate a subject from its verb ("The hotel in the business district, has many accommodations"), a verb from its object ("...population growth, in the West"), or a preposition from its object (Restaurants must adhere to, health department guidelines).
Summer produce, such as heirloom tomatoes, can be used to create delicious salads.
In the sink are several dirty dishes.
B.
Behind the horse were a white pony.
C.
Around the kitchen table was six chairs.