Sentence 1: Katie was really bad at math. 
 Sentence 3: She practiced everyday and grew to love math 
 Sentence 4:  She earned all A's 
 Sentence 5:  She got better grades than Tom and tutored him the next yea 
 Option 1: She studied hard every day, but still couldn't get any better. 
 Option 2: One day she asked her best friend Tom to tutor her.