A (shelf life) can be prolonged.Logical formLearned from6 sentences. Elevations can be prolonged.Logical formLearned from6 sentences. A high (blood pressure) can be prolonged.Logical formLearned from6 sentences. A (price war) can be prolonged.Logical formLearned from6 sentences. Kissings can be prolonged.Logical formLearned from6 sentences. A view can be prolonged.Logical formLearned from6 sentences. A verbal abuse can be prolonged.Logical formLearned from6 sentences. A rebuilding can be prolonged.Logical formLearned from6 sentences. (Credit problems) can be prolonged.Logical formLearned from6 sentences. A (leadership vacuum) can be prolonged.Logical formLearned from6 sentences. Seasons can be prolonged.Logical formLearned from6 sentences. A (stock market decline) can be prolonged.Logical formLearned from6 sentences. Arbitrary detentions can be prolonged.Logical formLearned from6 sentences. A layover can be prolonged.Logical formLearned from6 sentences. A cold front can be prolonged.Logical formLearned from6 sentences.