A back may pertain-to a base unit.Logical formLearned from2 sentences. A comparison can be base.Logical formLearned from2 sentences. A complex can be base.Logical formLearned from2 sentences. A sediment can be base.Logical formLearned from2 sentences. Mixes can be base.Logical formLearned from2 sentences. A (fertilizer application) can be base.Logical formLearned from2 sentences. A cell may have a base station.Logical formLearned from2 sentences. A relevance can be base.Logical formLearned from2 sentences. A (computer system) can be base.Logical formLearned from2 sentences. A (cost group) can be base.Logical formLearned from2 sentences. A tax can be base.Logical formLearned from2 sentences. A raw material can be base.Logical formLearned from2 sentences. An explanation can be base.Logical formLearned from2 sentences. A (link file) can be base.Logical formLearned from2 sentences. An (appraisal year) can be base.Logical formLearned from2 sentences.