Sentence 1: Korin lived in a small apartment with 5 roommates. 
 Sentence 3: The squatters made Korin and her roommates very mad 
 Sentence 4:  They told the landlord 
 Sentence 5:  He ordered the squatters out! 
 Given Sentence 2: One of them brought in 2 squatters without telling the landlord!