Persons can be from a past.Logical formLearned from372 sentences. A past can be authoritarian.Logical formLearned from372 sentences. The past can be a guide.Logical formLearned from372 sentences. A reminder may pertain-to a past.Logical formLearned from362 sentences. A past can be sordid.Logical formLearned from355 sentences. Someone can be from a past.Logical formLearned from352 sentences. Some times can be in the past.Logical formLearned from348 sentences. Ghosts may pertain-to a past.Logical formLearned from347 sentences. A person may have a past.Logical formLearned from347 sentences. A memory may pertain-to the past.Logical formLearned from344 sentences. Questions can be about a past.Logical formLearned from338 sentences. Problems may pertain-to the past.Logical formLearned from329 sentences. A past can be evolutionary.Logical formLearned from324 sentences. Part may pertain-to the past.Logical formLearned from318 sentences. A past can be dead.Logical formLearned from317 sentences.