A retreat may pertain-to a flank.Logical formLearned from4 sentences. A flank may pertain-to a (high pressure system).Logical formLearned from4 sentences. Flanks can be wooded.Logical formLearned from4 sentences. Flanks may be unguarded.Logical formLearned from4 sentences. Flanks can be dull.Logical formLearned from4 sentences. A flank may pertain-to a king.Logical formLearned from4 sentences. Flanks may pertain-to anticlines.Logical formLearned from4 sentences. Flanks may pertain-to a beast.Logical formLearned from4 sentences. Flanks may pertain-to ridges.Logical formLearned from4 sentences. Flanks may be turned.Logical formLearned from4 sentences. Some flanks may be exposed.Logical formLearned from4 sentences. A flank can be to a byline.Logical formLearned from4 sentences. A goal may come from a flank.Logical formLearned from4 sentences. Flanks can be for pair.Logical formLearned from4 sentences. A flank may be flagged for offside.Logical formLearned from4 sentences.