A hor can be sad.Logical formLearned from10 sentences. A name can be sad.Logical formLearned from10 sentences. A statement can be sad.Logical formLearned from10 sentences. Echoes can be sad.Logical formLearned from10 sentences. A lad can be sad.Logical formLearned from10 sentences. Parts can be sad.Logical formLearned from10 sentences. A glow can be sad.Logical formLearned from10 sentences. Singers can be sad.Logical formLearned from10 sentences. An e-mail can be sad.Logical formLearned from10 sentences. A trajectory can be sad.Logical formLearned from10 sentences. (Love poems) can be sad.Logical formLearned from10 sentences. Misunderstandings can be sad.Logical formLearned from10 sentences. A vigil can be sad.Logical formLearned from10 sentences. A bunch can be constituted-of-or-filled-with sad sacks.Logical formLearned from10 sentences. A year can be sad.Logical formLearned from10 sentences.