A system may race.Logical formLearned from4 sentences. Riders may race in some heats.Logical formLearned from4 sentences. A male may race in third place.Logical formLearned from4 sentences. A female may race in a US-city.Logical formLearned from4 sentences. A female may race on turf.Logical formLearned from4 sentences. A male may race dragsters.Logical formLearned from4 sentences. A male may race in a career.Logical formLearned from4 sentences. Stakes may race on turf.Logical formLearned from4 sentences. Some drag may race (series season).Logical formLearned from4 sentences. A portion may race freestyle.Logical formLearned from4 sentences. A (touring car) may race series.Logical formLearned from4 sentences. A female may race in some races.Logical formLearned from4 sentences. Drivers may race for a team.Logical formLearned from4 sentences. A male may race during some season.Logical formLearned from4 sentences. A pair of skiers may race freestyle.Logical formLearned from4 sentences.