MCQ
Some countries are island nations. All island nations depend on trade. Some trade requires shipping. Shipping uses fossil fuels. Therefore:
Analytical Reasoning
A All island nations use fossil fuels
B Some island nations may use fossil fuels
C No island nations use fossil fuels
D All fossil fuel users are island nations
Explanation

All island nations depend on trade, some trade requires shipping, and shipping uses fossil fuels, so all island nations use fossil fuels.