how long will it take me to go from the library to the mall right now?
[IN:GET_ESTIMATED_DURATION how long will it take me to go from [SL:SOURCE [IN:GET_LOCATION [SL:CATEGORY_LOCATION the library ] ] ] to [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the mall ] ] ] [SL:DATE_TIME_DEPARTURE right now ] ? ]