Sentence 1: My 80 year old neighbor Louise sat on the bench today. 
 Sentence 3: Louise said she gets cabin fever and needs to get out 
 Sentence 4:  They caught the 227 bus 
 Sentence 5:  I waved goodbye to her 
 Option 1: She and her son John were taking the bus to Harvard Square. 
 Option 2: She and her son John were supposed to take the bus to Harvard square, but John was running late and they had not boarded yet.