A folksong can be sad.Logical formLearned from1 sentences. Chirps can be sad.Logical formLearned from1 sentences. A (dust bowl joke) can be sad.Logical formLearned from1 sentences. A hamster can be sad.Logical formLearned from1 sentences. A straightforwardness can be sad.Logical formLearned from1 sentences. A second-rater can be sad.Logical formLearned from1 sentences. A west can be sad.Logical formLearned from1 sentences. A befuddlement can be sad.Logical formLearned from1 sentences. A critic can be sad.Logical formLearned from1 sentences. An (organ music) can be sad.Logical formLearned from1 sentences. A receptacle can be sad.Logical formLearned from1 sentences. A relish can be sad.Logical formLearned from1 sentences. A good-bye can be sad.Logical formLearned from1 sentences. A civil war can be sad.Logical formLearned from1 sentences. A fellow may feel sad.Logical formLearned from1 sentences.