(Income maintenance) may replace opportunity.Logical formLearned from7 sentences. Persons may replace a (welfare bureaucracy).Logical formLearned from7 sentences. Persons may replace a culture of poverty.Logical formLearned from7 sentences. Persons may replace a bureaucracy with a system.Logical formLearned from7 sentences. A rocket may replace a (space shuttle).Logical formLearned from7 sentences. Some players may be replaced.Logical formLearned from7 sentences. A toilet may be replaced.Logical formLearned from7 sentences. A female may be replaced by a man.Logical formLearned from7 sentences. A bill may be replaced by a coin.Logical formLearned from7 sentences. A person may replace horses.Logical formLearned from7 sentences. A city may replace signs.Logical formLearned from7 sentences. Copper may replace aluminum.Logical formLearned from7 sentences. A hard drive may be replaced.Logical formLearned from7 sentences. A string may be changed by replacing a text.Logical formLearned from7 sentences. Sidewalks may be replaced.Logical formLearned from7 sentences.