An opener may pertain-to a side.Logical formLearned from55 sentences. A (season opener) can be in a world-city.Logical formLearned from54 sentences. A (preseason opener) may pertain-to a team.Logical formLearned from54 sentences. An opener can be between a country.Logical formLearned from54 sentences. A country may lose some openers.Logical formLearned from54 sentences. A (garage opener) can be universal.Logical formLearned from53 sentences. A male can be in an opener.Logical formLearned from53 sentences. An opener may pertain-to a (division series).Logical formLearned from53 sentences. An opener may pertain-to a season.Logical formLearned from52 sentences. 36-28 can be in a (season opener).Logical formLearned from52 sentences. An opener may pertain-to a company.Logical formLearned from52 sentences. A (season opener) may pertain-to teams.Logical formLearned from51 sentences. An opener can be on a month.Logical formLearned from51 sentences. A victory can be in a (series opener).Logical formLearned from50 sentences. An opener may pertain-to a tournament.Logical formLearned from49 sentences.