Leaders may pertain-to a front.Logical formLearned from17 sentences. A cold front may trigger showers.Logical formLearned from17 sentences. A front may pertain-to an item.Logical formLearned from17 sentences. A front may pertain-to a product.Logical formLearned from17 sentences. Advance may pertain-to a cold front.Logical formLearned from17 sentences. A front can be theoretical.Logical formLearned from17 sentences. Events can be on a front.Logical formLearned from17 sentences. A front may stall.Logical formLearned from17 sentences. A boy can be in front.Logical formLearned from17 sentences. A camera can be on a front of a (sling bag).Logical formLearned from17 sentences. A front may pertain-to a (sling bag).Logical formLearned from17 sentences. A (front wheel) can be fixed.Logical formLearned from17 sentences. A front can be spare.Logical formLearned from17 sentences. A front may pertain-to a (priority list).Logical formLearned from17 sentences. A government can be a front.Logical formLearned from17 sentences.