question: the bathroom with shower is large, modern. is perfect for a family with children or a group of friends, also ideal for a business trip.
Capitalize this past sentence correctly.
A: The bathroom with shower is large, modern. Is perfect for a family with children or a group of friends, also ideal for a business trip.

question: champagne, arc-shaped scratch-resistant sapphire crystal mirror
Capitalize this past sentence correctly.
A: Champagne, arc-shaped scratch-resistant sapphire crystal mirror

question: the number of young women with heart disease is on the rise. they become sick because of a combination of a stressful work environment, a lack of healthy exercise, obesity, and smoking.
Capitalize this past sentence correctly.
A: The number of young women with heart disease is on the rise. They become sick because of a combination of a stressful work environment, a lack of healthy exercise, obesity, and smoking.