Predicate: ebb
Frames file for 'ebb' based on sentences in wsj. No Verbnet entry.
Roleset id: ebb.01 , become smaller/lower, vncls: -
Roles:
        Arg1: thing getting smaller
Example: unaccusative
        person: third,  tense: present,  aspect: ns,  voice: active,  form: full
        Although viewership soars when big news breaks, it ebbs during
        periods of calm.
        ArgM-ADV : Although viewership soars when big news
breaks
        Arg1 : it
        Rel : ebbs
        ArgM-TMP : during periods of calm
Example: with awkward modifier
        person: third,  tense: present,  aspect: ns,  voice: active,  form: full
        Mr. Greenberg, noting that stock-index arbitrage rises and ebbs
        with stock market's volatility, said...
        Arg1 : stock-index arbitrage
        Rel : ebbs
        ArgM-CAU : with stock market's volatility