Purchase can be in (exchange houses) of a world-city.Logical formLearned from15 sentences. (Defense equipment) may undergo a purchase.Logical formLearned from15 sentences. A frigate may undergo a purchase.Logical formLearned from15 sentences. A (purchase price) may pertain-to a car.Logical formLearned from15 sentences. Programs may undergo a purchase.Logical formLearned from15 sentences. A store may undergo a purchase.Logical formLearned from15 sentences. Boats may undergo a purchase.Logical formLearned from15 sentences. A submarine may undergo a purchase.Logical formLearned from15 sentences. A magazine may undergo a purchase.Logical formLearned from15 sentences. Scientific equipment may undergo a purchase.Logical formLearned from15 sentences. A purchase may undergo a delivery.Logical formLearned from15 sentences. Dates can be constituted-of-or-filled-with purchase.Logical formLearned from15 sentences. (Purchase agreements) can be long-term.Logical formLearned from15 sentences. Others can be available for purchase.Logical formLearned from15 sentences. Books can be for purchase.Logical formLearned from15 sentences.