Context: 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 ?
Option 0: The fell backwards   in their way up them .
Option 1: They tripped forward while going up them .
Option 2: They fell backwards while going down them .
Option 3: None of the above choices .
Answer: 1