A person can be unhappy.Logical formLearned from8 368 sentences. A male can be unhappy.Logical formLearned from2 946 sentences. A female can be unhappy.Logical formLearned from1 661 sentences. Persons can be unhappy.Logical formLearned from1 601 sentences. A marriage can be unhappy.Logical formLearned from1 025 sentences. A man can be unhappy.Logical formLearned from560 sentences. Customers can be unhappy.Logical formLearned from522 sentences. Persons can be unhappy.Logical formLearned from519 sentences. A childhood can be unhappy.Logical formLearned from473 sentences. A life can be unhappy.Logical formLearned from417 sentences. An ending can be unhappy.Logical formLearned from413 sentences. A person may feel unhappy.Logical formLearned from337 sentences. Marriages can be unhappy.Logical formLearned from309 sentences. An experience can be unhappy.Logical formLearned from279 sentences. A person can be unhappy that something-is-the-case.Logical formLearned from267 sentences.