user_query: what time is is suppose to rain? 
tree_str_mr: [__DG_INFORM__ [__ARG_TASK__ get_forecast ] [__ARG_CONDITION__ thunderstorms and rain ] [__ARG_PRECIP_CHANCE_SUMMARY__ extremely likely ] [__ARG_LOCATION__ [__ARG_CITY__ Grant Park ] ] [__ARG_DATE_TIME__ [__ARG_COLLOQUIAL__ Today ] ] ]
response: [__DG_INFORM__ [__ARG_DATE_TIME__ [__ARG_COLLOQUIAL__ Today ] ] has an [__ARG_PRECIP_CHANCE_SUMMARY__ extremely likely chance ] of [__ARG_CONDITION__ thunderstorms and rain ] in [__ARG_LOCATION__ [__ARG_CITY__ __ARG_CITY__ ] ] ]
target: [__DG_INFORM__ [__ARG_DATE_TIME__ [__ARG_COLLOQUIAL__ Today ] ] has an [__ARG_PRECIP_CHANCE_SUMMARY__ extremely likely chance ] of [__ARG_CONDITION__ thunderstorms and rain ] in [__ARG_LOCATION__ [__ARG_CITY__ __ARG_CITY__ ] ] ]
references: [__DG_INFORM__ [__ARG_DATE_TIME__ [__ARG_COLLOQUIAL__ Today ] ] has an [__ARG_PRECIP_CHANCE_SUMMARY__ extremely likely chance ] of [__ARG_CONDITION__ thunderstorms and rain ] in [__ARG_LOCATION__ [__ARG_CITY__ __ARG_CITY__ ] ] ]