If I want to make my cup of water colder, how would I go about it?\nOptions:\n- liquid nitrogen\n- steam room\n- tidal waves\n- ocean\n- crushed ice
Let's be accurate as possible. Think before you answer.
crushed ice
I can be used to make the water colder.

If I want to make my cup of water colder then I would go for crushed ice.

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Therefore, the answer is crushed ice