A billionaire can be controversial.Logical formLearned from48 sentences. A group can be constituted-of-or-filled-with russian billionaires.Logical formLearned from47 sentences. Billionaires may pertain-to a US-city.Logical formLearned from47 sentences. A billionaire may pertain-to a company.Logical formLearned from46 sentences. Billionaires can be self-made.Logical formLearned from45 sentences. A male may become a billionaire.Logical formLearned from45 sentences. Billionaires can be global.Logical formLearned from43 sentences. An adviser can be to a billionaire.Logical formLearned from42 sentences. A (billionaire father) may pertain-to a male.Logical formLearned from41 sentences. Billionaires may pertain-to a us-state.Logical formLearned from40 sentences. A (billionaire owner) may pertain-to a club.Logical formLearned from40 sentences. A billionaire may pertain-to the world.Logical formLearned from39 sentences. Billionaires can be dot-com.Logical formLearned from39 sentences. Billionaire may undergo a pardon.Logical formLearned from39 sentences. A billionaire may make a fortune.Logical formLearned from38 sentences.