Houses can be sad.Logical formLearned from2 sentences. A detritus can be sad.Logical formLearned from2 sentences. A man can be with sad eyes.Logical formLearned from2 sentences. An economic history can be sad.Logical formLearned from2 sentences. Comedy can be sad.Logical formLearned from2 sentences. Substitutes can be sad.Logical formLearned from2 sentences. An excess can be sad.Logical formLearned from2 sentences. A solace can be sad.Logical formLearned from2 sentences. A (female voice) can be sad.Logical formLearned from2 sentences. A tourist can be sad.Logical formLearned from2 sentences. Jottings can be sad.Logical formLearned from2 sentences. A permutation can be sad.Logical formLearned from2 sentences. Kids may feel sad.Logical formLearned from2 sentences. A warrior can be sad.Logical formLearned from2 sentences. A person may keep on feeling sad.Logical formLearned from2 sentences.