Roleset encumber.01 Verbnet Class: NONE "load down":

Roles:

Arg0:loader, agent of encumberment


Arg1:thing loaded


Arg2:cargo

Examples:

person: ns tense: present aspect: ns voice: passive form: participle


no agent (-)
So, some see a special irony in the fact that Mr. Steinhardt, the trader, now is encumbered *trace* with a massive, illiquid airline holding.
ArgM-TMP:	now
REL:	encumbered
Arg1:	*trace* -> Mr. Steinhardt, the trader,
Arg2-with:	a massive, illiquid airline holding

person: ns tense: past aspect: ns voice: active form: full


with agent (-)
Mary encumbered John with a bushel of cucumbers.
Arg0:	Mary
REL:	encumbered
Arg1:	John
Arg2-with:	a bushel of cucumbers

I'll bet agent is never used in real language.