Sentence 1: Sara always struggled with her weight. 
 Sentence 3: She started to walk and ride her bike daily 
 Sentence 4:  This continued for a year 
 Sentence 5:  She eventually was able to run a marathon 
 Option 1: She was overweight and wanted to get in shape but will never run a marathon. 
 Option 2: She was overweight and wanted to get in shape.