Supporters may keep_up pressure.Logical formLearned from4 sentences. Police may keep_up (mass arrests).Logical formLearned from4 sentences. A female may keep_up a chase with a win.Logical formLearned from4 sentences. A person may keep_up broadsides.Logical formLearned from4 sentences. Staff may be keep_uped to date.Logical formLearned from4 sentences. Refineries may keep_up with demand.Logical formLearned from4 sentences. A female may keep_up a (peace process).Logical formLearned from4 sentences. A girlfriend may keep_up a vigil.Logical formLearned from4 sentences. A market may keep_up a momentum.Logical formLearned from4 sentences. Demand may keep_up with a supply.Logical formLearned from4 sentences. Unions may keep_up pressure.Logical formLearned from4 sentences. Persons may keep_up a support.Logical formLearned from4 sentences. (Air units) may keep_up an aerial assault.Logical formLearned from4 sentences. Sceptics may keep_up a (war rhetoric).Logical formLearned from4 sentences. A country may keep_up a guard.Logical formLearned from4 sentences.