A center can be lively.Logical formLearned from56 sentences. Co-director may pertain-to a center.Logical formLearned from56 sentences. A person can be (center fielder).Logical formLearned from56 sentences. A center may pertain-to a turmoil.Logical formLearned from56 sentences. Centers can be tonal.Logical formLearned from56 sentences. (Population centers) can be urban.Logical formLearned from56 sentences. A center can be convalescent.Logical formLearned from56 sentences. Distance can be from a center.Logical formLearned from56 sentences. Research can be at a center.Logical formLearned from56 sentences. A (research center) may undergo an establishment.Logical formLearned from56 sentences. A floor may pertain-to a center.Logical formLearned from56 sentences. A center may pertain-to a piece.Logical formLearned from56 sentences. A center may undergo an inauguration.Logical formLearned from56 sentences. A center may run.Logical formLearned from56 sentences. A (space center) may pertain-to a government-agency.Logical formLearned from56 sentences.