A period can be nervous.Logical formLearned from15 sentences. An aspect may pertain-to a nervous system.Logical formLearned from15 sentences. A role may pertain-to a nervous system.Logical formLearned from15 sentences. Passengers can be nervous.Logical formLearned from15 sentences. A relationship can be nervous.Logical formLearned from15 sentences. Degenerative diseases may pertain-to a central nervous system.Logical formLearned from15 sentences. Components may pertain-to a nervous system.Logical formLearned from15 sentences. Injury can be to a central nervous system.Logical formLearned from15 sentences. Stimuli can be nervous.Logical formLearned from15 sentences. Conditions may pertain-to a nervous system.Logical formLearned from15 sentences. A mechanism can be nervous.Logical formLearned from15 sentences. Cancers may pertain-to a central nervous system.Logical formLearned from15 sentences. Signals can be nervous.Logical formLearned from15 sentences. A branch may pertain-to an autonomic nervous system.Logical formLearned from15 sentences. A joke can be nervous.Logical formLearned from15 sentences.