An ability can be useful.Logical formLearned from302 sentences. A meeting can be useful.Logical formLearned from301 sentences. Plants can be useful.Logical formLearned from295 sentences. A mechanism can be useful.Logical formLearned from292 sentences. A method can be useful.Logical formLearned from291 sentences. A forum can be useful.Logical formLearned from291 sentences. Indicators can be useful.Logical formLearned from288 sentences. Persons can be useful.Logical formLearned from288 sentences. A technique can be useful.Logical formLearned from287 sentences. A female can be useful.Logical formLearned from286 sentences. A background can be useful.Logical formLearned from285 sentences. A person may feel useful.Logical formLearned from281 sentences. A lesson can be useful.Logical formLearned from281 sentences. Guidelines can be useful.Logical formLearned from280 sentences. A distinction can be useful.Logical formLearned from278 sentences.