A voice can be somber.Logical formLearned from104 sentences. An expression can be somber.Logical formLearned from102 sentences. A picture can be somber.Logical formLearned from97 sentences. A reflection can be somber.Logical formLearned from96 sentences. A moment can be somber.Logical formLearned from93 sentences. Moments can be somber.Logical formLearned from92 sentences. An assessment can be somber.Logical formLearned from90 sentences. A procession can be somber.Logical formLearned from88 sentences. A news can be somber.Logical formLearned from82 sentences. A search can be somber.Logical formLearned from80 sentences. A face can be somber.Logical formLearned from79 sentences. A reminder can be somber.Logical formLearned from78 sentences. Ceremonies can be somber.Logical formLearned from78 sentences. A message can be somber.Logical formLearned from74 sentences. A crowd can be somber.Logical formLearned from72 sentences.