Sentence 1: I live in an apartment building. 
 Sentence 3: The landlord hired an exterminator 
 Sentence 4:  All tenants bagged up their clothing and bedding 
 Sentence 5:  The exterminators came and sprayed chemicals 
 Option 1: The next apartment next to mine was infested with bedbugs. 
 Option 2: The apartment next to mine was bug free.