Sentence 1: Amy had fake nails that needed to be redone. 
 Sentence 3: Her nail broke while in the sand 
 Sentence 4:  When she pulled her hand out there was sand in the cracks 
 Sentence 5:  The pain was intense as she cleaned the sand from the wound 
 Option 1: She got them redone before she went on vacation. 
 Option 2: One day at the beach she pushed her hands deep in the sand.