Sentence 1: Tammy hadn't done the laundry in weeks. 
 Sentence 3: Rather than do laundry she turned her current pair inside out 
 Sentence 4:  She still went out that night 
 Sentence 5:  The next day she finally did her laundry 
 Option 1: She had run out of clean underwear. 
 Option 2: She still had a lot of clean underwear.