Financial aid can be necessary.Logical formLearned from7 sentences. An offensive can be necessary.Logical formLearned from7 sentences. An information can be necessary for an agency.Logical formLearned from7 sentences. A weekend can be necessary.Logical formLearned from7 sentences. Legitimacy can be necessary for a country.Logical formLearned from7 sentences. Economic sanctions can be necessary.Logical formLearned from7 sentences. Chapters can be necessary.Logical formLearned from7 sentences. A curfew can be necessary.Logical formLearned from7 sentences. Mergers can be necessary.Logical formLearned from7 sentences. (Security conditions) can be necessary for a return of refugees.Logical formLearned from7 sentences. Checkpoints can be necessary.Logical formLearned from7 sentences. Camps can be necessary.Logical formLearned from7 sentences. A surge can be necessary.Logical formLearned from7 sentences. A (bombing campaign) can be necessary.Logical formLearned from7 sentences. A lot of effort can be necessary.Logical formLearned from7 sentences.