Crops can be expensive.Logical formLearned from5 sentences. A market can be expensive.Logical formLearned from5 sentences. An experiment can be expensive.Logical formLearned from5 sentences. A shift can be expensive.Logical formLearned from5 sentences. A writer can be expensive.Logical formLearned from5 sentences. A purse can be expensive.Logical formLearned from5 sentences. A roof can be expensive.Logical formLearned from5 sentences. Flights may get expensive.Logical formLearned from5 sentences. (Gasoline prices) can be expensive.Logical formLearned from5 sentences. Garments can be expensive.Logical formLearned from5 sentences. A switch can be expensive.Logical formLearned from5 sentences. Beers can be expensive.Logical formLearned from5 sentences. Demolition can be expensive.Logical formLearned from5 sentences. Eggs can be expensive.Logical formLearned from5 sentences. Remedies can be expensive.Logical formLearned from5 sentences.