Predicate: stratify
stratify: Frames file for 'stratify' based on frame file for 'activate'. Verbnet
class 45.4, other members include activate, age, balance, blur, darken,
hasten, laminate, magnetize, revive, ripen, sicken, stabilize, sour,
tilt, unwind, whiten.
Roleset id: stratify.01 , divide (often social/cultural) or layer (geology), vncls: 45.4, framnet:
stratify.01: Frame file created by Arrick
Roles:
        Arg0: agent/cause (vnrole: 45.4-agent)
        Arg1: patient (vnrole: 45.4-patient)
Example: cause
        Income distribution often stratifies a society.
        Arg0: Income distribution
        Argm-tmp: often
        Rel: stratifies
        Arg1: a society
Example: adjectival
        the socially stratified Paiwan tribe has a wide range of cloting and
        cloth colors.
        Rel: stratifiedd
        Arg1: Paiwan tribe