A (police search) of an estate may prove fruitless.Logical formLearned from4 sentences. An execution can be fruitless.Logical formLearned from4 sentences. (Peace efforts) can be fruitless.Logical formLearned from4 sentences. A past can be fruitless.Logical formLearned from4 sentences. Marketing of a (spice cake) may prove fruitless.Logical formLearned from4 sentences. Diplomacy may prove fruitless.Logical formLearned from4 sentences. A noise can be fruitless.Logical formLearned from4 sentences. Struggles may prove fruitless.Logical formLearned from4 sentences. Inquiries can be fruitless.Logical formLearned from4 sentences. A hunt can be fruitless.Logical formLearned from4 sentences. Entreaties can be fruitless.Logical formLearned from4 sentences. A search may proven fruitless.Logical formLearned from4 sentences. Attempts may proven fruitless.Logical formLearned from4 sentences. A testing can be fruitless.Logical formLearned from4 sentences. A way can be fruitless.Logical formLearned from4 sentences.