Invitations can be at a summit.Logical formLearned from9 sentences. A principle may pertain-to an invitation.Logical formLearned from9 sentences. A world-city may accept an invitation.Logical formLearned from9 sentences. Invitation can be to tender.Logical formLearned from8 sentences. An invitation can be at a summit.Logical formLearned from8 sentences. An invitation may pertain-to a Spanish government.Logical formLearned from8 sentences. A country may issue an invitation.Logical formLearned from8 sentences. Persons may see an invitation.Logical formLearned from8 sentences. A delegation may receive an invitation.Logical formLearned from8 sentences. A tone may pertain-to an invitation.Logical formLearned from8 sentences. An invitation may pertain-to a man.Logical formLearned from8 sentences. An invitation may pertain-to British governments.Logical formLearned from8 sentences. Invitations can be to foreign ministers.Logical formLearned from8 sentences. An invitation may undergo an appreciation.Logical formLearned from8 sentences. An invitation may pertain-to a sultan.Logical formLearned from8 sentences.