question: How do freight elevators differ from passenger elevators ?
answer: Freight elevators are typically larger and capable of carrying heavier loads than a passenger elevator
turker_answer: Freight elevators differ from passenger elevators because freight elevators are typically larger and capable of carrying heavier loads than a passenger elevator .
rule-based: Freight elevators differ from passenger elevators by freight elevators are typically larger and capable of carrying heavier loads than a passenger elevator .