A country may double efforts.Logical formLearned from4 sentences. Solar arrays may double (power capabilities).Logical formLearned from4 sentences. Demand may double (oil prices).Logical formLearned from4 sentences. Expenses may double a (contract cost).Logical formLearned from4 sentences. Oil may double.Logical formLearned from4 sentences. A military may double.Logical formLearned from4 sentences. A pair may double final.Logical formLearned from4 sentences. Support may double to some percent.Logical formLearned from4 sentences. Profits may double on demand.Logical formLearned from4 sentences. Income may be doubled.Logical formLearned from4 sentences. A (growth rate) may double to some percent.Logical formLearned from4 sentences. (Oil prices) may double over some months.Logical formLearned from4 sentences. A rate of (population decline) may double.Logical formLearned from4 sentences. A decline may double.Logical formLearned from4 sentences. A gross domestic product may double in some years.Logical formLearned from4 sentences.