An expression can be sad.Logical formLearned from5 sentences. Orphans can be sad.Logical formLearned from5 sentences. Particulars can be sad.Logical formLearned from5 sentences. Discoveries can be sad.Logical formLearned from5 sentences. Chords can be sad.Logical formLearned from5 sentences. A mark can be sad.Logical formLearned from5 sentences. Supporters can be sad.Logical formLearned from5 sentences. A fight can be sad.Logical formLearned from5 sentences. A reckoning can be sad.Logical formLearned from5 sentences. A flick can be sad.Logical formLearned from5 sentences. Children may look sad.Logical formLearned from5 sentences. A resonance can be sad.Logical formLearned from5 sentences. A museum can be sad.Logical formLearned from5 sentences. Fragments can be sad.Logical formLearned from5 sentences. A tale can be sad.Logical formLearned from5 sentences.