Sentence 1: Allie tried to get a cab into the city from her house. 
 Sentence 3: However later she was charged more than sixty 
 Sentence 4:  Allie couldn't believe it 
 Sentence 5:  She had spent most of her wallet 
 Option 1: She decided to drive herself because a cab would be too expensive. 
 Option 2: She thought it wouldn't be that expensive.