Context: She 's big on magic wands and transformation right now . Em felt she was running a little late , so she said , " We 'll walk quickly . " She did . I had to stretch my legs a bit to keep her pace , and she was shorter than me by a foot and was wearing a pack .

Question: Why is it interesting to know Em 's height ?
Options:
0. None of the above choices .
1. Em did a little magic with the wand to make herself short .
2. Shorter people typically have shorter legs and do not walk as fast .
3. Em transformed into a person one foot shorter and walked quickly .
Answer: 2

Question: Why is it interesting to know Em 's height ?
Options:
0. A tall person can cover distance quickly , presumably Em will be slow .
1. None of the above choices .
2. Em did a little magic with the wand to make herself short .
3. Em transformed into a person one foot shorter and walked quickly .
Answer: 0