An edge may pertain-to a (winter pack ice).Logical formLearned from8 sentences. A (pack ice) can be rich with life.Logical formLearned from8 sentences. A richness of life may span a length of a (winter pack).Logical formLearned from8 sentences. A (winter sea pack ice) can be a sheet.Logical formLearned from8 sentences. Savannas can be in a (pack ice).Logical formLearned from8 sentences. Areas can be in a (pack ice).Logical formLearned from8 sentences. A flooding may unlock a productivity of a (pack ice).Logical formLearned from8 sentences. A (pack ice) may rim a horizon.Logical formLearned from8 sentences. Ribbons of (grease ice) may extend from a (pack edge).Logical formLearned from8 sentences. A length may pertain-to a (winter pack).Logical formLearned from8 sentences. Organisms can be in a (winter pack ice).Logical formLearned from8 sentences. A pack may ride.Logical formLearned from8 sentences. A pack can be constituted-of-or-filled-with radicals.Logical formLearned from8 sentences. Packs can be constituted-of-or-filled-with pills.Logical formLearned from8 sentences. A (survival pack) may pertain-to a person.Logical formLearned from8 sentences.