A carrier may pertain-to carriers.Logical formLearned from6 sentences. A carrier can be safe.Logical formLearned from6 sentences. A common carrier may undergo a use.Logical formLearned from6 sentences. An opportunity can be for carriers.Logical formLearned from6 sentences. Carriers may face problems.Logical formLearned from6 sentences. A (carrier market) can be competitive.Logical formLearned from6 sentences. (Mail carriers) may pertain-to persons.Logical formLearned from6 sentences. A business may pertain-to a carrier.Logical formLearned from6 sentences. Employees may pertain-to a carrier.Logical formLearned from6 sentences. (Premutation carriers) can be fragile.Logical formLearned from6 sentences. Carriers may pertain-to an illness.Logical formLearned from6 sentences. Carriers may possess (market power).Logical formLearned from6 sentences. A need may pertain-to a carrier.Logical formLearned from6 sentences. A carrier can be dry.Logical formLearned from6 sentences. Carriers can be for life.Logical formLearned from6 sentences.