Drills can be with a country.Logical formLearned from26 sentences. Drills can be maritime.Logical formLearned from26 sentences. Drills may start.Logical formLearned from25 sentences. A drill can be battery-powered.Logical formLearned from25 sentences. Drills can be rigorous.Logical formLearned from25 sentences. A set can be constituted-of-or-filled-with drills.Logical formLearned from25 sentences. A (drill sergeant) may pertain-to a military-or-other-action-organization.Logical formLearned from24 sentences. A drill may work.Logical formLearned from24 sentences. (Drill sergeants) can be male.Logical formLearned from24 sentences. Persons may do some drills.Logical formLearned from23 sentences. Drills may be held.Logical formLearned from23 sentences. A male may do drills.Logical formLearned from23 sentences. (Drill instructors) may pertain-to a male.Logical formLearned from23 sentences. A drill may pertain-to a US-city.Logical formLearned from23 sentences. A drill may be held.Logical formLearned from23 sentences.