Some drivers may be kidnapped.Logical formLearned from31 sentences. A key driver can be constituted-of-or-filled-with (economic growth).Logical formLearned from31 sentences. A (taxi driver) can be from a world-city.Logical formLearned from31 sentences. Drivers can be unruly.Logical formLearned from31 sentences. A (taxi driver) can be in a capital.Logical formLearned from31 sentences. Drivers may be given.Logical formLearned from31 sentences. A driver can be pregnant.Logical formLearned from30 sentences. Drivers can be in a race.Logical formLearned from30 sentences. A list may pertain-to drivers.Logical formLearned from30 sentences. A driver may pertain-to a (freight train).Logical formLearned from30 sentences. Drivers can be involved.Logical formLearned from30 sentences. Drivers may pertain-to an era.Logical formLearned from30 sentences. Championships may pertain-to drivers.Logical formLearned from30 sentences. Licenses may pertain-to some drivers.Logical formLearned from30 sentences. A driver may react.Logical formLearned from30 sentences.