Crossings may undergo an opening.Logical formLearned from326 sentences. An opening can be gradual.Logical formLearned from326 sentences. An exhibit may undergo an opening.Logical formLearned from325 sentences. A person may watch an (opening ceremony).Logical formLearned from320 sentences. A movie may undergo an opening.Logical formLearned from320 sentences. Trade may undergo an opening.Logical formLearned from307 sentences. Openings can be arched.Logical formLearned from299 sentences. An opening may pertain-to a US-city.Logical formLearned from299 sentences. A tournament may undergo an (opening match).Logical formLearned from298 sentences. An (opening ceremony) may pertain-to a world-city.Logical formLearned from296 sentences. A station may undergo an opening.Logical formLearned from295 sentences. A forum may undergo an opening.Logical formLearned from294 sentences. A series may undergo an (opening match).Logical formLearned from291 sentences. A restaurant may undergo an opening.Logical formLearned from286 sentences. A parliament may undergo an opening.Logical formLearned from284 sentences.