Hills may form a backdrop.Logical formLearned from3 sentences. Progress may provide a backdrop to a (street violence).Logical formLearned from3 sentences. A bosnian crisis can be as backdrop.Logical formLearned from3 sentences. Garlands of greenery may serve as a backdrop.Logical formLearned from3 sentences. A summit may open against a backdrop of economic growth.Logical formLearned from3 sentences. (Trade barriers) may serve as a backdrop.Logical formLearned from3 sentences. A military-or-other-action-organization may provide a backdrop of a f-16.Logical formLearned from3 sentences. Negotiations may set a backdrop.Logical formLearned from3 sentences. Ancient ruins can be as a backdrop.Logical formLearned from3 sentences. A backdrop to a hearing can be (bank reform proposal).Logical formLearned from3 sentences. A (summit meeting) can be against a backdrop of an (anniversary celebration) of a victory.Logical formLearned from3 sentences. Billboards may form a backdrop.Logical formLearned from3 sentences. A backdrop can be for commercials.Logical formLearned from3 sentences. A backdrop may pertain-to a (big wheel).Logical formLearned from3 sentences. A backdrop can be constituted-of-or-filled-with military exercises.Logical formLearned from3 sentences.