I said the word haberdashery in a sentence without giggling . It 's such a fun word . I had a weird dream with a face I had seen before , but ca n't place . I fell up the stairs , and skinned my knee .

Question: Why did the narrator fall on the stairs ?
Answer: They fell backwards while going down them .The fell backwards   in their way up them .They fell forward on their way up them .None of the above choices .