Systems can be in a continent.Logical formLearned from51 sentences. Stations can be in a continent.Logical formLearned from51 sentences. Campaigns can be in a continent.Logical formLearned from51 sentences. A humanitarian crisis can be in a continent.Logical formLearned from51 sentences. An (energy sector) may pertain-to a continent.Logical formLearned from51 sentences. A heritage may pertain-to a continent.Logical formLearned from51 sentences. An audience can be in a continent.Logical formLearned from51 sentences. An office can be in a continent.Logical formLearned from51 sentences. Mountains can be in a continent.Logical formLearned from51 sentences. (Debt problems) can be in a continent.Logical formLearned from51 sentences. An (elephant population) may pertain-to a continent.Logical formLearned from51 sentences. A vision may pertain-to a continent.Logical formLearned from51 sentences. A title can be in a continent.Logical formLearned from51 sentences. A spacecraft may pertain-to a continent.Logical formLearned from51 sentences. Potential can be in a continent.Logical formLearned from51 sentences.