于是继续道：“真理是人行为的指示标。”
"And what's true for words is also true for people," I continued.
输出一行为每个测试案例，表明所需要的最低数量的指示。
Output one line for each test case, indicating the minimum number of instructions needed.
输出一行为每个测试案例，表明所需要的最低数量的指示。
Output one line for each test case, indicating the minimum number of instructions needed.
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