Roleset perch.01 Verbnet Class: 1 "like a bird":

Roles:

Arg0:placer, agent


Arg1:thing perched


Arg2:perched on, location

Examples:

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


passive (-)
But the greatest damage was visited on buildings and roadways perched [*] upon landfill, as were the Marina District of San Francisco and the Bay Bridge -- two areas of maximum devastation.
REL:	perched
Arg1:	[*] -> buildings and roadways
Arg2-upon:	landfill
ArgM:	as were the Marina District of San Francisco and the Bay Bridge -- two areas of maximum devastation

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


args 0 and 1 merged (-)
John's parakeet perched on the end of his nose.
Arg0:	John's parakeet
REL:	perched
Arg2-on:	the end of his nose