An explanation may remain elusive.Logical formLearned from10 sentences. An explanation may pertain-to someone.Logical formLearned from10 sentences. An explanation can be tortuous.Logical formLearned from10 sentences. A rest can be an explanation.Logical formLearned from10 sentences. An aspect may pertain-to an explanation.Logical formLearned from10 sentences. An explanation can be esoteric.Logical formLearned from10 sentences. An explanation may pertain-to an influence.Logical formLearned from10 sentences. An explanation can be difficult.Logical formLearned from10 sentences. A basis may pertain-to an explanation.Logical formLearned from10 sentences. Explanations can be for results.Logical formLearned from10 sentences. Principles can be constituted-of-or-filled-with explanation.Logical formLearned from10 sentences. Some explanations can be for an effect.Logical formLearned from10 sentences. Explanations can be interesting.Logical formLearned from10 sentences. An explanation can be to evolution.Logical formLearned from10 sentences. An explanation may pertain-to tools.Logical formLearned from10 sentences.