An invitation can be to a conference.Logical formLearned from41 sentences. An invitation can be polite.Logical formLearned from41 sentences. Persons may receive an invitation.Logical formLearned from40 sentences. An invitation can be longstanding.Logical formLearned from40 sentences. Invitations can be to parties.Logical formLearned from40 sentences. An invitation can be irresistible.Logical formLearned from40 sentences. A female may have an invitation.Logical formLearned from40 sentences. An invitation can be informal.Logical formLearned from40 sentences. An invitation can be to abuse.Logical formLearned from40 sentences. A male may respond to an invitation.Logical formLearned from40 sentences. An invitation can be verbal.Logical formLearned from40 sentences. An invitation can be to tea.Logical formLearned from39 sentences. An invitation can be by a government.Logical formLearned from39 sentences. An invitation can be to a (birthday party).Logical formLearned from39 sentences. An invitation may read.Logical formLearned from39 sentences.