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rhododendron → HasPrerequisite → acidic soil	0.59
acidic soil (subgroup of soil) → HasProperty → rich	0.59
acidic soil (subgroup of soil) → CapableOf → produce blue flowers	0.58
blueberry → HasPrerequisite → acidic soil	0.50
acidic soil (subgroup of soil) → HasA → a ph level	0.25
acidic soil (subgroup of soil) → HasProperty → low	0.16