input: Please answer the following: Twenty first century is seeing an explosion of artificial island building. Many countries are building islands in the middle of seas and oceans, which they often use for tourism or for defensive purposes. For example, UAE had build several islands in the Persian Gulf. To build those islands they had to ask Oman and Qatar to export sand to them. Qatar declined to export sand, but Oman agreed. Oman in turn had to mine huge quantity of sand in their own country. Would Qatar remove or retain their coaster barriers?
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output: retain

input: Please answer the following: John works as a mechanical engineer in the auto industry. He is testing three surfaces, surface A, surface B, and surface C for their usability. Surface A has a gentler slope, surface B has a steeper slope, and surface C doesn't have any sloping. He needs to figure out advantages and disadvantages of each slope. Which surface would have shorter sloping surface compared to its height, surface A or surface B?
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output: surface B

input: Please answer the following: two buildings had different tenants. Building Y had many seniors over 65 years of age, and building X had individuals under 65 years old. Which building had more people that have more time for their grandchildren?
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output: Building Y

input: Please answer the following: Two villages had many inhabitants practicing horticulture. People from Valley village grew flowers and used arthropods and other insects for pollination and crop protection. Granite village used arthropods and snails, they cultivated them for food. Which village cultivated no arthropods for food?
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output:
Valley