Ridges may be separated by grooves.Logical formLearned from2 sentences. Control may pertain-to ridges.Logical formLearned from2 sentences. Ridges may pertain-to a border.Logical formLearned from2 sentences. Ridges may pertain-to uplands.Logical formLearned from2 sentences. Ridges can be defensive.Logical formLearned from2 sentences. Ridges may pertain-to a site.Logical formLearned from2 sentences. A company can be with an intention of re-occupying ridges.Logical formLearned from2 sentences. Ridges may overlook a river.Logical formLearned from2 sentences. Surfaces may pertain-to ridges.Logical formLearned from2 sentences. Ridges can be with patches of alluviums.Logical formLearned from2 sentences. Congeries can be constituted-of-or-filled-with ridges.Logical formLearned from2 sentences. A landscape may consist of some ridges.Logical formLearned from2 sentences. Sites can be on ridges.Logical formLearned from2 sentences. A surface may pertain-to ridges.Logical formLearned from2 sentences. Low ridges can be broad.Logical formLearned from2 sentences.