A flank can be left-hand.Logical formLearned from17 sentences. A flank of reef may be exposed to a prevailing wind.Logical formLearned from17 sentences. Flanks may pertain-to a valley.Logical formLearned from17 sentences. A flank may pertain-to a us-state.Logical formLearned from17 sentences. A flank can be allied.Logical formLearned from16 sentences. A flank may pertain-to a general.Logical formLearned from16 sentences. Flanks may pertain-to an enemy.Logical formLearned from16 sentences. Gullies can be on flanks of craters.Logical formLearned from16 sentences. A flank may be turned.Logical formLearned from15 sentences. A flank may pertain-to a brigade.Logical formLearned from15 sentences. A flank may pertain-to an infantry.Logical formLearned from15 sentences. A (northwest flank) may pertain-to a volcano.Logical formLearned from15 sentences. Flanks can be barred.Logical formLearned from15 sentences. A flank can be liberal.Logical formLearned from15 sentences. A threat can be to a flank.Logical formLearned from15 sentences.