Technically, she's right! Ice is indeed a solid, not a liquid. But try explaining states of matter to TSA agents who just want to enforce the "no liquids over 3.4 oz" rule. The real kicker? Give that bottle about 20 minutes at room temperature and—SURPRISE—phase change physics strikes again! Suddenly her "not-a-liquid" defense melts faster than ice cream in a microwave. Next time she should try bringing diamonds, which are also technically frozen carbon. "Sorry officer, it's not jewelry, it's just pressurized coal!"