Sentence 1: Gina had been battling acne for Years and tried so many products. 
 Sentence 3: After some thought, she made an appointment with the dermatologist 
 Sentence 4:  The doctor suggested several products for her to try 
 Sentence 5:  Gina was so happy she went, because her complexion greatly improved 
 Given Sentence 2: Before we left we posed for a group photo.