Roleset prop.01 Verbnet Class: NONE "support, hold upright":

Roles:

Arg0:helper, prop


Arg1:thing being held up


Arg2:instrument, if separate from arg0

Examples:

person: ns tense: ns aspect: progressive voice: active form: participle


just transitive (-)
Carried even further, some investors assumed that since leveraged buy-outs are the only thing propping up stock prices, the market would collapse if no more LBOs could be done.
Arg0:	the only thing
REL:	[ propping] [ up]
Arg1:	stock prices

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


with instrument (-)
John's self-esteem is propped *trace* up with industrial-strength pharmaceuticals.
REL:	propped up
Arg1:	*trace* -> John's self-esteem
Arg2-with:	industrial-strength pharmaceuticals

I'm pretty sure this can only occur as 'prop up', although I have vague intuitions of 'prop open'. That will be treated exactly the same way, though.