A pack may be opened.Logical formLearned from12 sentences. A (danger pack) may pertain-to a male.Logical formLearned from12 sentences. A female may smoke a pack.Logical formLearned from12 sentences. An (alpha male) may pertain-to a pack.Logical formLearned from12 sentences. A (pack horse) may pertain-to a person.Logical formLearned from12 sentences. A pack can be for a person.Logical formLearned from12 sentences. A position can be in a pack.Logical formLearned from12 sentences. Some packs may be produced.Logical formLearned from12 sentences. A male can be in a pack.Logical formLearned from12 sentences. A pack can be constituted-of-or-filled-with markers.Logical formLearned from12 sentences. A (battery pack) can be portable.Logical formLearned from12 sentences. A pack may pertain-to a developer.Logical formLearned from12 sentences. A pack can be slack.Logical formLearned from12 sentences. A pack can be stationary.Logical formLearned from12 sentences. Some packs can be constituted-of-or-filled-with lights.Logical formLearned from12 sentences.