An examination can be fruitless.Logical formLearned from2 sentences. A move may prove fruitless.Logical formLearned from2 sentences. (Lobbying efforts) may prove fruitless.Logical formLearned from2 sentences. An art can be fruitless.Logical formLearned from2 sentences. Weekends can be fruitless.Logical formLearned from2 sentences. Questionings may prove fruitless.Logical formLearned from2 sentences. A question can be fruitless.Logical formLearned from2 sentences. An obsession can be fruitless.Logical formLearned from2 sentences. A fight can be fruitless.Logical formLearned from2 sentences. Polemics can be fruitless.Logical formLearned from2 sentences. A fiddling can be fruitless.Logical formLearned from2 sentences. Exercises can be fruitless.Logical formLearned from2 sentences. A dig can be fruitless.Logical formLearned from2 sentences. Avenues can be fruitless.Logical formLearned from2 sentences. Travels can be fruitless.Logical formLearned from2 sentences.