Patterns can be constituted-of-or-filled-with ridges.Logical formLearned from5 sentences. Vents can be on mid-ocean ridges.Logical formLearned from5 sentences. Ridges can be obvious.Logical formLearned from5 sentences. Ridges may pertain-to a valley.Logical formLearned from5 sentences. Ridges can be muscular.Logical formLearned from5 sentences. An (observation post) may be perched on a ridge.Logical formLearned from5 sentences. A ridge may be threatened by a blaze.Logical formLearned from5 sentences. A male may raise a flag on a ridge.Logical formLearned from5 sentences. A ridge may overlook an Israeli border.Logical formLearned from5 sentences. A hotspot may flare some ridges.Logical formLearned from5 sentences. An edge may pertain-to a ridge.Logical formLearned from5 sentences. A wall of flames may race across ridges.Logical formLearned from5 sentences. Homes can be on_top_of ridges.Logical formLearned from5 sentences. A ridge can be isolated.Logical formLearned from5 sentences. Ridges can be frozen.Logical formLearned from5 sentences.