Of course, Miss Howard, I said, "I'll do everything I can, but I'm sure you're excited and overwrought." She interrupted me by slowly shaking her forefinger. 
Miss Howard did not interrupt me at all.  
mnli hypothesis: Miss Howard did not interrupt me at all.   premise: Of course, Miss Howard, I said, "I'll do everything I can, but I'm sure you're excited and overwrought." She interrupted me by slowly shaking her forefinger. 