Sentence 1: Sheila and her husband were expecting their fourth child. 
 Sentence 3: Sheila's belly was growing at a rapid rate 
 Sentence 4:  At 7 months Sheila went in to have an ultrasound done 
 Sentence 5:  The doctor surprisingly told her she was expecting three babies! 
 Option 1: He should have been home by now but was late. 
 Option 2: They were very excited and prepared for the baby in every way.