The easts may pertain-to ridges.Logical formLearned from4 sentences. Ridges can be over eyes.Logical formLearned from4 sentences. (Summit ridges) may provide scramblings.Logical formLearned from4 sentences. Ridges can be gray.Logical formLearned from4 sentences. Ridges can be between valleys.Logical formLearned from4 sentences. Ridges can be perpendicular.Logical formLearned from4 sentences. (Mountain ridges) can be forested.Logical formLearned from4 sentences. Ridges can be formed.Logical formLearned from4 sentences. Ridges may lie.Logical formLearned from4 sentences. A gap can be in ridges.Logical formLearned from4 sentences. Ridges can be high.Logical formLearned from4 sentences. Turtles may have ridges.Logical formLearned from4 sentences. Ridges of lava may be exposed between glaciers.Logical formLearned from4 sentences. Ridges can be three-dimensional.Logical formLearned from4 sentences. Ridges can be dunes.Logical formLearned from4 sentences.