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| − | '''Clauses''' are groups of words that consist of a subject and a predicate. They are said to be independent if they can stand alone as a sentence, or dependent (embedded, subordinate), otherwise. In the UNL framework, dependent clauses are represented as hyper-nodes (the so-called '''scopes''') linked to the main clause, as indicated below:
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| − | *English: Mary saw Peter when John arrived.
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| − | **Mary saw Peter (independent clause)
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| − | **when John arrived (dependent clause)
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| − | *UNL:
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| − | **Mary saw Peter (independent clause) = agt(saw, Mary), obj(saw,Peter)
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| − | **John arrived (dependent clause) = agt:01(arrived, John)
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| − | **dependency relation = tim(saw, :01)
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| − | Where :01 (to be assigned to every relation inside the scope) is the scope index.
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