An issue can be sad.Logical formLearned from34 sentences. Farewells can be sad.Logical formLearned from34 sentences. A sale can be sad.Logical formLearned from34 sentences. A kitty can be sad.Logical formLearned from34 sentences. A view can be sad.Logical formLearned from34 sentences. A novel can be sad.Logical formLearned from34 sentences. Air can be sad.Logical formLearned from33 sentences. A parody can be sad.Logical formLearned from33 sentences. Incidents can be sad.Logical formLearned from33 sentences. Looks can be sad.Logical formLearned from33 sentences. A person may feel sad for a person.Logical formLearned from33 sentences. A part of a person can be sad.Logical formLearned from33 sentences. Parents can be sad.Logical formLearned from33 sentences. A group can be sad.Logical formLearned from33 sentences. A shade can be sad.Logical formLearned from33 sentences.