A (ski area) may pertain-to an artist.Logical formLearned from6 sentences. A (ski instructor) may pertain-to a person.Logical formLearned from6 sentences. Some persons may be stopped by skis.Logical formLearned from6 sentences. A form can be constituted-of-or-filled-with skis.Logical formLearned from6 sentences. A (ski season) may approach.Logical formLearned from6 sentences. A male may stay on skis.Logical formLearned from6 sentences. A (ski mask) may pertain-to a person.Logical formLearned from6 sentences. A (ski mask) may pertain-to a female.Logical formLearned from6 sentences. A (ski gear) may pertain-to persons.Logical formLearned from6 sentences. (Jet ski) can be for sale.Logical formLearned from6 sentences. Skis can be sharp.Logical formLearned from6 sentences. (Ski vacations) may pertain-to a park.Logical formLearned from6 sentences. A female can be on skis.Logical formLearned from6 sentences. (Ski show clubs) may pertain-to a us-state.Logical formLearned from6 sentences. A (ski trip) may pertain-to persons.Logical formLearned from6 sentences.