A jet may fly low.Logical formLearned from19 sentences. A level of education can be low.Logical formLearned from19 sentences. A (casualty toll) can be low.Logical formLearned from19 sentences. Expectations may be set low.Logical formLearned from19 sentences. Unemployment can be low.Logical formLearned from19 sentences. A swirl can be constituted-of-or-filled-with low clouds.Logical formLearned from19 sentences. A low uranium may remain in a country.Logical formLearned from19 sentences. (Approval ratings) can be low.Logical formLearned from19 sentences. (Trading volumes) may remain low.Logical formLearned from18 sentences. Productivity may remain low.Logical formLearned from18 sentences. Low tides can be extreme.Logical formLearned from18 sentences. A population may remain low.Logical formLearned from18 sentences. Ridership can be low.Logical formLearned from18 sentences. A risk of death can be low.Logical formLearned from18 sentences. A (credit rating) can be low.Logical formLearned from18 sentences.