District police in 1983 descended on his suburban home , which he and his large family used as both residence and factory , and demanded proof the house and equipment were his .
        Arg0: District police
        Argm-tmp: in 1983
        Rel: descended
        Arg1: on his suburban home , which he and his large family used as both residence and factory ,
        That is not entirely true , for linguists know too much about language to suggest that there ever was , literally , a single language [from which]-1 all Indo-European languages descended *trace*-1.
        Arg0: all Indo-European languages
        Rel: descended
        Argm-dir: *trace*-1
        Argm-slc: [from which] -> a single language
        The SWAT team's descending on his house finally roused the criminal from his lair.
        Arg0: The SWAT team's
        Rel: descending
        Arg1: on his house