A strength may pertain-to a pack.Logical formLearned from32 sentences. Packs can be tight.Logical formLearned from31 sentences. A pack can be constituted-of-or-filled-with vultures.Logical formLearned from31 sentences. A weight may pertain-to packs.Logical formLearned from31 sentences. Packs can be on backs.Logical formLearned from31 sentences. A person can be a pack.Logical formLearned from31 sentences. A pack can be constituted-of-or-filled-with defenders.Logical formLearned from31 sentences. A pack may pertain-to a professional-service.Logical formLearned from31 sentences. A pack can be crumpled.Logical formLearned from31 sentences. A pack may finish.Logical formLearned from31 sentences. A (pack ice) can be heavy.Logical formLearned from30 sentences. A pack may move.Logical formLearned from30 sentences. A person may install pack.Logical formLearned from30 sentences. A pack can be constituted-of-or-filled-with biscuits.Logical formLearned from30 sentences. A pack can be constituted-of-or-filled-with beer.Logical formLearned from30 sentences.