Persons can be sad about killings.Logical formLearned from7 sentences. A (piano melody) can be sad.Logical formLearned from7 sentences. A monotone can be sad.Logical formLearned from7 sentences. A loss of life can be sad.Logical formLearned from7 sentences. A funeral can be sad.Logical formLearned from7 sentences. A person may feel sad for a country.Logical formLearned from7 sentences. A trait can be sad.Logical formLearned from7 sentences. A pain can be sad.Logical formLearned from6 sentences. Reminiscences can be sad.Logical formLearned from6 sentences. Souvenirs can be sad.Logical formLearned from6 sentences. Paintings can be sad.Logical formLearned from6 sentences. A score can be sad.Logical formLearned from6 sentences. A tinge can be sad.Logical formLearned from6 sentences. Students can be sad.Logical formLearned from6 sentences. An earnest can be sad.Logical formLearned from6 sentences.