A complex may be activated.Logical formLearned from7 sentences. An (apartment complex) can be drab.Logical formLearned from7 sentences. A complex can be gray.Logical formLearned from7 sentences. A source can be in a military-industrial complex.Logical formLearned from7 sentences. Complexes can be built.Logical formLearned from7 sentences. A complex may undergo a liberation.Logical formLearned from7 sentences. Twin towers may pertain-to a complex.Logical formLearned from7 sentences. A (news conference) can be at a complex.Logical formLearned from7 sentences. A (security guard) can be at an (apartment complex).Logical formLearned from7 sentences. A bid may be centred on a complex.Logical formLearned from7 sentences. Complexes can be in a world-city.Logical formLearned from7 sentences. Problems can be at a complex.Logical formLearned from7 sentences. A complex can be constituted-of-or-filled-with trenches.Logical formLearned from7 sentences. A complex can be wide.Logical formLearned from7 sentences. Complexes may undergo bombings.Logical formLearned from7 sentences.