Gangs may undergo a formation.Logical formLearned from50 sentences. A court may undergo a formation.Logical formLearned from49 sentences. Formations can be rocky.Logical formLearned from49 sentences. Persons may undergo a formation.Logical formLearned from49 sentences. Cooperatives may undergo a formation.Logical formLearned from49 sentences. A ring may undergo a formation.Logical formLearned from49 sentences. Companies may undergo a formation.Logical formLearned from49 sentences. Polar clouds may undergo a formation.Logical formLearned from49 sentences. Water may undergo a formation.Logical formLearned from49 sentences. Cysts may undergo a formation.Logical formLearned from49 sentences. Clubs may undergo a formation.Logical formLearned from49 sentences. (Hydrogen bonds) may undergo a formation.Logical formLearned from49 sentences. A consensus may undergo a formation.Logical formLearned from49 sentences. A (memory formation) can be long-term.Logical formLearned from48 sentences. Formations can be regional.Logical formLearned from48 sentences.