A (prostitution ring) can be in a (ski resort).Logical formLearned from11 sentences. (Ski resorts) may pertain-to a mountain.Logical formLearned from11 sentences. A (ski gold) can be alpine.Logical formLearned from10 sentences. (Ski races) can be downhill.Logical formLearned from10 sentences. A (ski jumper) can be female.Logical formLearned from10 sentences. A (ski racer) can be retired.Logical formLearned from10 sentences. (Ski areas) can be in a country.Logical formLearned from10 sentences. A (ski area) can be in a country.Logical formLearned from10 sentences. Some (ski resorts) can be in a continent.Logical formLearned from10 sentences. A (ski area) can be defunct.Logical formLearned from10 sentences. A (ski instructor) may pertain-to a male.Logical formLearned from10 sentences. A back may pertain-to skis.Logical formLearned from10 sentences. A (ski jumper) may compete in 1950s.Logical formLearned from10 sentences. (Ski pants) may pertain-to a female.Logical formLearned from10 sentences. A (ski jumper) may compete.Logical formLearned from10 sentences.