Sentence 1: Marcy was very late for her doctor's appointment. 
 Sentence 3: Marcy's doctor agreed to see her when she arrived 
 Sentence 4:  She was glad that her doctor took care of her that day 
 Sentence 5:  Marcy vowed to not be late for her next appointment 
 Given Sentence 2: She had planned on sleeping in on Saturday morning.