Context: I waited for Sandrine for no more then 5min and I saw her sort of rushing up to me . We said hello and headed off to her flat to drop off my bags . Now I need to interject at this point and saw a few things about Sandrine .
Question: How far away might Sandrine 's flat be from where I was ?
Option 0: Sandrine 's flat might be within a driving distance .
Option 1: Sandrine 's flat might be within a bus ride away .
Option 2: Sandrine 's flat might be within a walking distance .
Option 3: None of the above choices .
Answer: 2