An agreement can be on coastal shipping.Logical formLearned from6 sentences. An (international shipping center) may pertain-to a world-city.Logical formLearned from6 sentences. Seafarers may work in (shipping lines).Logical formLearned from6 sentences. A (shipping firm) may pertain-to a country.Logical formLearned from6 sentences. (Shipping agencies) can be international.Logical formLearned from6 sentences. Depth may pertain-to a (shipping channel).Logical formLearned from6 sentences. A (shipping group) can be international.Logical formLearned from6 sentences. A blockade can be constituted-of-or-filled-with shipping.Logical formLearned from6 sentences. (Shipping services) can be between some sides.Logical formLearned from6 sentences. Shipping may undergo an interdiction.Logical formLearned from6 sentences. Shippings can be long-distance.Logical formLearned from6 sentences. Shipping can be for goods.Logical formLearned from6 sentences. A shipping may be delayed.Logical formLearned from6 sentences. Shipping may undergo movements.Logical formLearned from6 sentences. A US-city can be (shipping point).Logical formLearned from6 sentences.