An information may be provided to transporter by an agent.Logical formLearned from2 sentences. Indemnification may excuse transporter from liability.Logical formLearned from2 sentences. Transporter may pay a rate.Logical formLearned from2 sentences. (Service obligations) may pertain-to transporter.Logical formLearned from2 sentences. Transporter may offer an (expansion capacity) to some shippers.Logical formLearned from2 sentences. (Storage services) may pertain-to transporter.Logical formLearned from2 sentences. A gemstm may pertain-to transporter.Logical formLearned from2 sentences. Transporter may notify a shipper of a request.Logical formLearned from2 sentences. Transporter can be for (compressor fuel).Logical formLearned from2 sentences. Transporter can be in presence of a party.Logical formLearned from2 sentences. Transporter may retain (gas quantities).Logical formLearned from2 sentences. A shipper may return to transporter.Logical formLearned from2 sentences. A (spot price index) may pertain-to a transporter.Logical formLearned from2 sentences. Transporter may contract.Logical formLearned from2 sentences. Transporter may issue an (express order) to shipper.Logical formLearned from2 sentences.