Sentence 1: Our niece got her first car last month. 
 Sentence 3: He is a frugal Yankee 
 Sentence 4:  She has trouble driving the car, not having much instruction 
 Sentence 5:  I think the father was being unrealistic 
 Option 1: Her father recommended a standard to spend money. 
 Option 2: Her father recommended a standard to save money.