A person may communicate by e-mail.Logical formLearned from9 sentences. An e-mail may be sent to friends.Logical formLearned from9 sentences. E-mails may be used.Logical formLearned from9 sentences. A (confirmation e-mail) may be sent.Logical formLearned from9 sentences. A subject may pertain-to an e-mail.Logical formLearned from9 sentences. An e-mail may be sent to (decision makers).Logical formLearned from9 sentences. (E-mail addresses) can be for individuals.Logical formLearned from9 sentences. An (e-mail address) may be collected for purposes.Logical formLearned from9 sentences. An (e-mail box) may pertain-to persons.Logical formLearned from9 sentences. (E-mail addresses) may pertain-to children.Logical formLearned from9 sentences. (E-mail messages) can be signed.Logical formLearned from9 sentences. An (e-mail program) may pertain-to a male.Logical formLearned from9 sentences. A person may sign_up for (e-mail notification).Logical formLearned from9 sentences. An e-mail can be used.Logical formLearned from9 sentences. An e-mail can be to colleagues.Logical formLearned from9 sentences.