Sentence 1: Lily's wanted a fish tank just like her friend had. 
 Sentence 3: Lily wasn't satisfied because her friend's fish were much bigger 
 Sentence 4:  Lily dumped the box of fish food in the tank so they'd grow 
 Sentence 5:  The next day, Lily had to replace the fatally overfed fish 
 Option 1: Her mom helped Lily buy a tank and a few fish. 
 Option 2: She bought the same exact one.