Some percent can be constituted-of-or-filled-with (subway riders).Logical formLearned from5 sentences. Advocates can be for riders.Logical formLearned from5 sentences. Needs may pertain-to riders.Logical formLearned from5 sentences. Riders may compete against a clock.Logical formLearned from5 sentences. A rider may practice.Logical formLearned from5 sentences. An (advocacy group) may pertain-to riders.Logical formLearned from5 sentences. A challenge can be for riders.Logical formLearned from5 sentences. A horse may have a rider.Logical formLearned from5 sentences. Service can be for some riders.Logical formLearned from5 sentences. Riders may approach.Logical formLearned from5 sentences. A director may pertain-to rider.Logical formLearned from5 sentences. A recipient may pertain-to a rider.Logical formLearned from5 sentences. A rider can be for teaching.Logical formLearned from5 sentences. A person can be at rider.Logical formLearned from5 sentences. An eop may pertain-to rider.Logical formLearned from5 sentences.