A key can be to (sitcom longevity).Logical formLearned from2 sentences. A key to (sitcom longevity) can be expectations.Logical formLearned from2 sentences. A premiere may pertain-to a sitcom.Logical formLearned from2 sentences. Sitcoms can be formulaic.Logical formLearned from2 sentences. A state may pertain-to a (tv sitcom).Logical formLearned from2 sentences. A female may earn_on acclaim on a sitcom.Logical formLearned from2 sentences. A vestige may pertain-to a sitcom.Logical formLearned from2 sentences. A vestige of a sitcom can be air.Logical formLearned from2 sentences. A line can be constituted-of-or-filled-with sitcoms.Logical formLearned from2 sentences. A spate of comedies may mimic sitcoms.Logical formLearned from2 sentences. Sitcoms can be a fare.Logical formLearned from2 sentences. A sitcom may be runed on a tv-network.Logical formLearned from2 sentences. (Breakthrough sitcoms) may lurk among (reality wannabes).Logical formLearned from2 sentences. Warmth may be smothered by (sitcom one-liners).Logical formLearned from2 sentences. A sitcom can be historic.Logical formLearned from2 sentences.