Question: The role of Prime Minister of the United Kingdom came about gradually and through an informal process.\nIs the above claim true?\nOptions:\n- yes\n- no Let's think first. Step-by-step reasoning:
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The Prime Minister of the United Kingdom became an officially recognized role in 1905. The role existed over 100 years before this date though, and it is unclear exactly when the role began and when it began to be referred to in this way.
So, the final answer is yes.
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