An invitation can be to a conference.Logical formLearned from37 sentences. A male may reject an invitation.Logical formLearned from37 sentences. Invitations can be to a party.Logical formLearned from37 sentences. An invitation can be for a person.Logical formLearned from37 sentences. Invitations may pertain-to an international-political-entity.Logical formLearned from37 sentences. A female may turn_down an invitation.Logical formLearned from37 sentences. An invitation can be to a summit.Logical formLearned from36 sentences. An invitation can be to a US-city.Logical formLearned from36 sentences. A (verification link) may be provided in an (invitation email).Logical formLearned from36 sentences. An invitation can be pretty.Logical formLearned from36 sentences. An invitation can be from a friend.Logical formLearned from36 sentences. A person may receive invitations.Logical formLearned from36 sentences. Invitations can be online.Logical formLearned from36 sentences. A male may get an invitation.Logical formLearned from36 sentences. An invitation can be annual.Logical formLearned from36 sentences.