A world-city may mark an occasion of a (desert collision).Logical formLearned from4 sentences. An occasion may pertain-to a (desert collision).Logical formLearned from4 sentences. A man can be for some occasions.Logical formLearned from4 sentences. (Riot police) may intervene on some occasions.Logical formLearned from4 sentences. Tents may erect for an occasion.Logical formLearned from4 sentences. Occasion may pertain-to a goal.Logical formLearned from4 sentences. A male may be questioned on some occasions.Logical formLearned from4 sentences. A bodyguard may step_in on an occasion.Logical formLearned from4 sentences. Some occasions can be in exchange.Logical formLearned from4 sentences. Military attaches can be on some occasions.Logical formLearned from4 sentences. A queen may meet debts on some occasions.Logical formLearned from4 sentences. Some occasions can be in succession.Logical formLearned from4 sentences. A male can be victorious on some occasions.Logical formLearned from4 sentences. A person may have miscarriages on some occasions.Logical formLearned from4 sentences. A visit to a world-city can be on an occasion.Logical formLearned from4 sentences.