Predicate: slacken
slacken: Frames file for 'slacken' based on survey of sentences in the WSJ
corpus.
Roleset id: slacken.01 , to slow down, vncls: 45.4, framnet: -
slacken.01: Member of VNcls other_cos-45.4.
Roles:
        Arg0: cause of slowing (vnrole: 45.4-agent)
        Arg1: thing slackened (vnrole: 45.4-patient)
Example: intransitive
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        Car sales slackened in September after the 1990 models were introduced [*-1] .
        Arg1: Car sales
        Rel: slackened
        Argm-tmp: in September
        Argm-tmp: after the 1990 models were introduced [*-1]
Example: transitive
        person: third,  tense: ns,  aspect: perfect,  voice: active,  form: participle
        Now , he said , a slowdown in economic activity has slackened demand .
        Argm-tmp: Now
        Arg0: a slowdown in economic activity
        Rel: slackened
        Arg1: demand