(Ski weekends) can be busy.Logical formLearned from5 sentences. A (day weekend) can be busy.Logical formLearned from5 sentences. A (subway platform) can be busy.Logical formLearned from5 sentences. A (flight schedule) can be busy.Logical formLearned from5 sentences. A half of a year can be busy.Logical formLearned from5 sentences. Lunch can be busy.Logical formLearned from5 sentences. A (man defense) can be busy.Logical formLearned from5 sentences. Golfers can be busy.Logical formLearned from5 sentences. A (construction industry) can be busy.Logical formLearned from5 sentences. A (building season) can be busy.Logical formLearned from5 sentences. Attempts can be busy.Logical formLearned from5 sentences. (Refining strategies) can be busy.Logical formLearned from5 sentences. Busy signals can be for subscribers.Logical formLearned from5 sentences. Peasants can be busy.Logical formLearned from5 sentences. A city can be busy that something-is-the-case.Logical formLearned from5 sentences.