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In this task your given a passage in Catalan. you must ask a question in Catalan, that is relevant to the passage. A question that is constructed should be precise and based on factual information from the passage. A constructed question should be: (a) unambiguous (b) be directly answerable from the passage (c) have a unique answer (d) have an answer that is a continuous span of text from the passage. Try to avoid formulating questions that (a) can be answered without referring to the passage, or (b) use exactly the same words or questions given in the passage. Try to make the question fluent in the language used. You have to create exactly one question.

L'International Obfuscated C Code Contest (IOCCC) de 1989 inclogué una entrada de Brian Westley. El programa de Westley es podia codificar en ROT13 o invertit, i en ambdós casos es compilava correctament. El seu funcionament, en executar-se, era o bé dur a terme la codificació ROT13, o revertir-la.[15]
Output:
Què inclogué l'International Obfuscated C Code Contest?