Rules may pertain-to a calendar.Logical formLearned from15 sentences. Dates may pertain-to a calendar.Logical formLearned from15 sentences. A calendar can be constituted-of-or-filled-with some events.Logical formLearned from15 sentences. A person may work on a calendar.Logical formLearned from15 sentences. Calendar can be customizable.Logical formLearned from15 sentences. A calendar can be based.Logical formLearned from15 sentences. A person may take a calendar with a person.Logical formLearned from15 sentences. Click can be on a calendar.Logical formLearned from15 sentences. Calendar can be for a month.Logical formLearned from15 sentences. Calendars may be marked.Logical formLearned from15 sentences. A person may add to a calendar.Logical formLearned from15 sentences. A calendar can be pretty.Logical formLearned from15 sentences. A calendar can be famous.Logical formLearned from15 sentences. A male may announce (appointment calendar) change.Logical formLearned from15 sentences. Appointments can be on a calendar.Logical formLearned from15 sentences.