A family may feel sad.Logical formLearned from6 sentences. A reprise can be sad.Logical formLearned from6 sentences. A sad sack can be middle-aged.Logical formLearned from6 sentences. Work can be sad.Logical formLearned from6 sentences. A party can be sad.Logical formLearned from6 sentences. A vestige can be sad.Logical formLearned from6 sentences. An emblem can be sad.Logical formLearned from6 sentences. A frustration can be sad.Logical formLearned from6 sentences. Shoes can be sad.Logical formLearned from6 sentences. Arguments can be sad.Logical formLearned from6 sentences. A (turning point) can be sad.Logical formLearned from6 sentences. A mismatch can be sad.Logical formLearned from6 sentences. Witnesses can be sad.Logical formLearned from6 sentences. An expectation can be sad.Logical formLearned from6 sentences. A continuum can be sad.Logical formLearned from6 sentences.