Question

mom looked up from the coffee pot. \youre going jogging in sandals?\ john grinned. \theyre not sandals. theyre vips. for running on the beach.\
eferring to shoes by brand name is free advertising for companies,\ dad interjected. \whatever. anyway, coach said to run in the surf five days a week while were here. thats twenty runs. i didnt want to trash my sneakers.\ john raised his eyebrows at dad. \i mean, my crotes.\ dad laughed and turned based on the fifth, sixth, and seventh paragraphs, what is the purpose of the exchange between john and his parents? it gives background as to why the family is in their present location. it explains the reason for the ongoing tension between johns parents. it demonstrates why john is so interested in running.

Explanation:

The exchange shows John explaining to his parents why he is wearing certain shoes for running in the surf as per his coach's instructions. It gives context about his running - related shoe - choice and the running routine while at their current location. There is no mention of tension between parents or why John is interested in running in general.

Answer:

It gives background as to why the family is in their present location.