Is there a Tornado alert in Austin this Friday? 
[IN:GET_WEATHER Is there a [SL:WEATHER_ATTRIBUTE Tornado ] alert in [SL:LOCATION Austin ] this [SL:DATE_TIME Friday ] ?  ]
[IN:GET_WEATHER Is there a [SL:WEATHER_ATTRIBUTE Tornado ] alert in [SL:LOCATION Austin ] this [SL:DATE_TIME Friday ] ?  ]