Music can be sad.Logical formLearned from481 sentences. A sight can be sad.Logical formLearned from476 sentences. An attempt can be sad.Logical formLearned from468 sentences. A reminder can be sad.Logical formLearned from455 sentences. A male may feel sad.Logical formLearned from453 sentences. A person may look sad.Logical formLearned from453 sentences. A place can be sad.Logical formLearned from453 sentences. A loss can be sad.Logical formLearned from431 sentences. A world can be sad.Logical formLearned from422 sentences. An occasion can be sad.Logical formLearned from412 sentences. Days can be sad.Logical formLearned from409 sentences. A person may feel sad that something-is-the-case.Logical formLearned from409 sentences. An expression can be sad.Logical formLearned from406 sentences. A feeling can be sad.Logical formLearned from404 sentences. A cause can be sad.Logical formLearned from401 sentences.