Sentence 1: It was Anna's birthday! 
 Sentence 3: Her mother baked Ana a chocolate birthday cake 
 Sentence 4:  Her father brought Ana a new doll as a birthday present 
 Sentence 5:  Ana ate her cake and played with her new doll, and was very happy 
 Option 1: She was already 18 years old. 
 Option 2: She was turning 2 Years old!