A (female rider) can be successful.Logical formLearned from6 sentences. A (subway system) may handle millions of riders.Logical formLearned from6 sentences. A person can be a kind of rider.Logical formLearned from6 sentences. A rider can be in (racing history).Logical formLearned from6 sentences. A program can be for riders.Logical formLearned from6 sentences. Riders may be led by some psychologists.Logical formLearned from6 sentences. Riders can be apprehensive.Logical formLearned from6 sentences. Riders may abandon taxis.Logical formLearned from6 sentences. Riders may pertain-to a train.Logical formLearned from6 sentences. Riders may agree.Logical formLearned from6 sentences. Riders may fly.Logical formLearned from6 sentences. Some riders may begin a race.Logical formLearned from6 sentences. Some riders may quit a race.Logical formLearned from6 sentences. A rider can be in a country.Logical formLearned from6 sentences. Riders can be strapped into a chair.Logical formLearned from6 sentences.