nt.setPrepositionalPhrase(npp);
nt.setPrepositionalPhrases(npp);
    private Task createTask(Asset asset)     {        NewTask nt = theLDMF.newTask();        nt.setPlan(theLDMF.getRealityPlan());        nt.setVerb(Verb.getVerb(Constants.Verb.MAINTAIN));        nt.setDirectObject(asset);        NewPrepositionalPhrase npp = theLDMF.newPrepositionalPhrase();        npp.setPreposition(Constants.Preposition.USING);        npp.setIndirectObject(maintenanceAsset);        nt.setPrepositionalPhrase(npp);        publishAdd(nt);        return nt;    }