Assertion: caterpillar's characteristic | /r/HasProperty | unique
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Source sentences:
text: Although the caterpillars of many moth species are rather similar to each other, some caterpillars are easy to identify because they have some unique characteristic, so can be identified to the individual species, some can only be identified easily to the family, but some beasties look like caterpillars but are not true caterpillars at all.