Sentence 1: Marina was at her cousin's house to drop off some borrowed dishes. 
 Sentence 3: She explained that she had been called into work last minute 
 Sentence 4:  She had no sitter, so Marina offered to help out 
 Sentence 5:  Her aunt was so grateful that she left her a special $20 tip 
 Option 1: Her aunt was rushing around in a hurry. 
 Option 2: Her aunt was frantic because she lost her job.