Sentence 1: Tina was shopping for her son's first birthday. 
 Sentence 3: She was perusing the shelves but nothing stood out 
 Sentence 4:  Luckily the baker offered to show her some special new cakes 
 Sentence 5:  Tina found the perfect one for her son and thanked the baker 
 Given Sentence 2: She had everything she needed except for the perfect cake.