Some sides can be tough.Logical formLearned from6 sentences. A new work can be tough.Logical formLearned from6 sentences. (Selection criteria) can be tough.Logical formLearned from6 sentences. A (recovery plan) can be tough.Logical formLearned from6 sentences. A (visa regime) can be tough.Logical formLearned from6 sentences. An (investment environment) can be tough.Logical formLearned from6 sentences. A (qualifying group) can be tough.Logical formLearned from6 sentences. An experiment can be tough.Logical formLearned from6 sentences. A government may act tough.Logical formLearned from6 sentences. A mare can be tough.Logical formLearned from6 sentences. (Registration rules) can be tough.Logical formLearned from6 sentences. A document can be tough.Logical formLearned from6 sentences. A triumph can be tough.Logical formLearned from6 sentences. A debris may make tough.Logical formLearned from6 sentences. An alliance may remain tough in a war.Logical formLearned from6 sentences.