4. John is studying in New York city, which is called the “Big Apple”.
5. The Sun, which was hot at midday, made the traveler tired and thirsty.
6. The children sang and danced aloud at night, which kept their parents awake.
7. The river which flows through Ho Chi Minh City is the Saigon river.
8. Kids like eating ice-cream which can cause toothache if they have too much every day.
9. Dolphins which often swim with other fish are sometimes caught and killed in fishing nets.
10. The chess club which has more than 50 members meets weekly on Saturday evenings.