What will be the Humidity Rate tomorrow in Mexico City? 
[IN:GET_WEATHER What will be the [SL:WEATHER_ATTRIBUTE Humidity ] Rate [SL:DATE_TIME tomorrow ] in [SL:LOCATION Mexico City ] ?  ]
[IN:GET_WEATHER What will be the [SL:WEATHER_ATTRIBUTE Humidity ] Rate [SL:DATE_TIME tomorrow ] in [SL:LOCATION Mexico City ] ?  ]