Sentence 1: The bank was being impossible to deal with for the mortgage. 
 Sentence 3: She did not think she could get the mortgage to go through in time 
 Sentence 4:  She broke down in tears while talking to her aunt about it 
 Sentence 5:  Her aunt offered to lend her the money and carry the mortgage herself 
 Given Sentence 2: Sue was at the end of her rope.