Sentence 1: Liza was babysitting her niece. 
 Sentence 3: When she went to check on her, her niece was not in bed 
 Sentence 4:  She had gotten into Liza's makeup 
 Sentence 5:  Liza had to laugh when she saw how much she had put on 
 Given Sentence 2: She left her in her bedroom for a nap.