I use one side of the retaining wall as it faces my back and side yard . I live right next to the rail road tracks . That other side of the retaining wall faces the rail road tracks where anyone who hopes the locked fence ( locked by the city ) , walks the rail road tracks , walks a trail , hobos , etc . can access this wall .

Q with options: Give answer the following question using evidence from the above passage: What may be the reason why they hope the fence is locked ?
Options are: a. They want to feel safe . b. They want to make sure the cops ca n't get in . c. They want the hobos to feel safe . d. They want to make sure nobody gets out .
a.