A set can be complicated.Logical formLearned from758 sentences. Cases can be complicated.Logical formLearned from742 sentences. A way can be complicated.Logical formLearned from733 sentences. A matter can be complicated.Logical formLearned from716 sentences. A case can be complicated.Logical formLearned from707 sentences. Questions can be complicated.Logical formLearned from674 sentences. A history can be complicated.Logical formLearned from664 sentences. An issue can be complicated.Logical formLearned from639 sentences. A process can be complicated.Logical formLearned from627 sentences. A formula can be complicated.Logical formLearned from625 sentences. Rules can be complicated.Logical formLearned from614 sentences. A structure can be complicated.Logical formLearned from577 sentences. A search can be complicated.Logical formLearned from576 sentences. Situations can be complicated.Logical formLearned from557 sentences. A nature can be complicated.Logical formLearned from553 sentences.