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isotope (aspect of thorium) → HasA → half-life	0.78
isotope (aspect of californium) → HasA → half-life	0.62
isotope (aspect of plutonium) → HasA → half-life	0.59
isotope (aspect of uranium) → HasA → half-life	0.54
caffeine → HasA → half-life	0.38
polyester → HasA → half-life	0.29