Some calls to (police offices) may prove fruitless.Logical formLearned from1 sentences. A (background check) can be fruitless.Logical formLearned from1 sentences. (Desert crossings) can be fruitless.Logical formLearned from1 sentences. Visits to (union job-placement centers) may prove fruitless.Logical formLearned from1 sentences. Aristide can be fruitless.Logical formLearned from1 sentences. (Dna analysis) may prove fruitless.Logical formLearned from1 sentences. A (job preservation) can be fruitless.Logical formLearned from1 sentences. Plans can be fruitless.Logical formLearned from1 sentences. An alternative can be fruitless.Logical formLearned from1 sentences. A prosecution can be fruitless.Logical formLearned from1 sentences. (Mulberry trees) can be fruitless.Logical formLearned from1 sentences. A tete-a-tete can be fruitless.Logical formLearned from1 sentences. Prosecutions of charges can be fruitless.Logical formLearned from1 sentences. A company can be fruitless.Logical formLearned from1 sentences. Years of negotiations can be fruitless.Logical formLearned from1 sentences.