Sentence 1: Jill decided to start a new weight loss program. 
 Sentence 3: Jill decided to start walking every day 
 Sentence 4:  She started out walking around the block twice a day 
 Sentence 5:  Jill now walks nearly eight miles a day and has lost 15 pounds 
 Option 1: She knew that she needed to exercise a lot more to lose weight. 
 Option 2: She knew she had to eat healthier to loose weight.