What is the traffic taking the bus from the Ferry Building to Grace Cathedral in San Francisco
[IN:GET_INFO_TRAFFIC What is the traffic taking the [SL:METHOD_TRAVEL bus ] from [SL:SOURCE [IN:GET_LOCATION [SL:POINT_ON_MAP the Ferry Building ] ] ] to [SL:DESTINATION [IN:GET_LOCATION [SL:POINT_ON_MAP Grace Cathedral ] in [SL:LOCATION_MODIFIER San Francisco ] ] ] ]