Roleset hamstring.01 Verbnet Class: NONE "to make ineffective or powerless":

Roles:

Arg0:causer of ineffectiveness, agent


Arg1:entity made powerless

Examples:

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


transitive (-)
If Mr. Papandreou becomes the major opposition leader , he could hamstring a conservative-led coalition .
ArgM-ADV:	If Mr. Papandreou becomes the major opposition leader
Arg0:	he
ArgM-MOD:	could
REL:	hamstring
Arg1:	a conservative-led coalition