Sentence 1: Colbie was toying around with her SD card in her phone. 
 Sentence 3: She checked her phone and realized she was missing important files 
 Sentence 4:  Unfortunately an internet search turned up no solutions 
 Sentence 5:  Colbie promised to be more careful with her phone from then on 
 Option 1: She dropped her sd card. 
 Option 2: Suddenly she got an error message saying her card was formatted.