An identity of a party may be extracted from a message.Logical formLearned from6 sentences. A certificate may provide a representation of an identity.Logical formLearned from6 sentences. A hostname may match an identity.Logical formLearned from6 sentences. An (identity header field) can be valid.Logical formLearned from6 sentences. An identity can be responsible.Logical formLearned from6 sentences. An (identity crisis) can be lifelong.Logical formLearned from6 sentences. An identity can be extended.Logical formLearned from6 sentences. A link can be to personal identity.Logical formLearned from6 sentences. Requirements can be for verifying an identity of a person.Logical formLearned from6 sentences. Identities can be constructed.Logical formLearned from6 sentences. An identity may pertain-to agent.Logical formLearned from6 sentences. A person may know an identity of a person.Logical formLearned from6 sentences. An identity may pertain-to a sponsor/depositor.Logical formLearned from6 sentences. Persons may withhold an identity.Logical formLearned from6 sentences. An identity may be used by a supplier.Logical formLearned from6 sentences.