Peaks may be reached.Logical formLearned from19 sentences. A peak may pertain-to a surge.Logical formLearned from19 sentences. A person may scale a peak.Logical formLearned from19 sentences. A peak may pertain-to an epidemic.Logical formLearned from19 sentences. A peak may pertain-to last summer.Logical formLearned from19 sentences. A peak may pertain-to a prowess.Logical formLearned from19 sentences. A peak may pertain-to a year.Logical formLearned from19 sentences. A peak can be in a world-city.Logical formLearned from19 sentences. A peak may pertain-to a region.Logical formLearned from19 sentences. A peak may pertain-to a sport.Logical formLearned from19 sentences. Peaks can be serrated.Logical formLearned from18 sentences. A part may pertain-to peaks.Logical formLearned from18 sentences. A peak may pertain-to a civilization.Logical formLearned from18 sentences. A peak can be flat.Logical formLearned from18 sentences. Peaks can be known.Logical formLearned from18 sentences.