A black hole can be at a center.Logical formLearned from73 sentences. Center can be in a US-city.Logical formLearned from73 sentences. (Shipping centers) may pertain-to persons.Logical formLearned from73 sentences. An attack can be on a (trade center).Logical formLearned from73 sentences. A center may pertain-to a standoff.Logical formLearned from73 sentences. A center may undergo a formation.Logical formLearned from73 sentences. A center may pertain-to a quake.Logical formLearned from73 sentences. A (shopping center) can be popular.Logical formLearned from73 sentences. A center may be located.Logical formLearned from72 sentences. An administrative center of a district can be a town.Logical formLearned from72 sentences. A center may pertain-to a municipality.Logical formLearned from72 sentences. A center can be for manufacturing.Logical formLearned from72 sentences. Centers can be overseas.Logical formLearned from72 sentences. A person may start at center.Logical formLearned from72 sentences. A (training center) can be athletic.Logical formLearned from72 sentences.